Home / 485,088.50-669,442.77-270,228.51

Finding the Fourth Proportional to 485,088.50, 669,442.77 and 270,228.51

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Solution

The fourth proportional to 485,088.50, 669,442.77 and 270,228.51 is: 372,926.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,088.50 : 669,442.77 = 270,228.51 : x
  2. Step 2: Convert to fraction form
    485,088.50/669,442.77 = 270,228.51/x
  3. Step 3: Cross multiply
    485,088.50x = 669,442.77 × 270,228.51
  4. Step 4: Simplify right side
    485,088.50x = 180,902,522,267.37
  5. Step 5: Solve for x
    x = 180,902,522,267.37/485,088.50
  6. Step 6: Final answer
    x = 372,926.85

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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.