Home / 472,144.32-707,585.76-172,343.04

Finding the Fourth Proportional to 472,144.32, 707,585.76 and 172,343.04

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Solution

The fourth proportional to 472,144.32, 707,585.76 and 172,343.04 is: 258,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,144.32 : 707,585.76 = 172,343.04 : x
  2. Step 2: Convert to fraction form
    472,144.32/707,585.76 = 172,343.04/x
  3. Step 3: Cross multiply
    472,144.32x = 707,585.76 × 172,343.04
  4. Step 4: Simplify right side
    472,144.32x = 121,947,480,939.11
  5. Step 5: Solve for x
    x = 121,947,480,939.11/472,144.32
  6. Step 6: Final answer
    x = 258,284.33

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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.