Home / 472,421.03-708,423.75-172,823.90

Finding the Fourth Proportional to 472,421.03, 708,423.75 and 172,823.90

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Solution

The fourth proportional to 472,421.03, 708,423.75 and 172,823.90 is: 259,159.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,421.03 : 708,423.75 = 172,823.90 : x
  2. Step 2: Convert to fraction form
    472,421.03/708,423.75 = 172,823.90/x
  3. Step 3: Cross multiply
    472,421.03x = 708,423.75 × 172,823.90
  4. Step 4: Simplify right side
    472,421.03x = 122,432,551,785.51
  5. Step 5: Solve for x
    x = 122,432,551,785.51/472,421.03
  6. Step 6: Final answer
    x = 259,159.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.