Home / 372,256.46-513,717.90-202,491.02

Finding the Fourth Proportional to 372,256.46, 513,717.90 and 202,491.02

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Solution

The fourth proportional to 372,256.46, 513,717.90 and 202,491.02 is: 279,439.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,256.46 : 513,717.90 = 202,491.02 : x
  2. Step 2: Convert to fraction form
    372,256.46/513,717.90 = 202,491.02/x
  3. Step 3: Cross multiply
    372,256.46x = 513,717.90 × 202,491.02
  4. Step 4: Simplify right side
    372,256.46x = 104,023,261,563.26
  5. Step 5: Solve for x
    x = 104,023,261,563.26/372,256.46
  6. Step 6: Final answer
    x = 279,439.78

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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.