Home / 315,297,338.77-435,101,897.46-174,165,521.68

Finding the Fourth Proportional to 315,297,338.77, 435,101,897.46 and 174,165,521.68

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Solution

The fourth proportional to 315,297,338.77, 435,101,897.46 and 174,165,521.68 is: 240,343,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,297,338.77 : 435,101,897.46 = 174,165,521.68 : x
  2. Step 2: Convert to fraction form
    315,297,338.77/435,101,897.46 = 174,165,521.68/x
  3. Step 3: Cross multiply
    315,297,338.77x = 435,101,897.46 × 174,165,521.68
  4. Step 4: Simplify right side
    315,297,338.77x = 75,779,748,955,078,768
  5. Step 5: Solve for x
    x = 75,779,748,955,078,768/315,297,338.77
  6. Step 6: Final answer
    x = 240,343,763.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.