Home / 372,200.32-513,641.82-202,434.94

Finding the Fourth Proportional to 372,200.32, 513,641.82 and 202,434.94

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Solution

The fourth proportional to 372,200.32, 513,641.82 and 202,434.94 is: 279,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,200.32 : 513,641.82 = 202,434.94 : x
  2. Step 2: Convert to fraction form
    372,200.32/513,641.82 = 202,434.94/x
  3. Step 3: Cross multiply
    372,200.32x = 513,641.82 × 202,434.94
  4. Step 4: Simplify right side
    372,200.32x = 103,979,051,013.19
  5. Step 5: Solve for x
    x = 103,979,051,013.19/372,200.32
  6. Step 6: Final answer
    x = 279,363.14

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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.