Home / 372,278.48-513,748.24-202,513.04

Finding the Fourth Proportional to 372,278.48, 513,748.24 and 202,513.04

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Solution

The fourth proportional to 372,278.48, 513,748.24 and 202,513.04 is: 279,470.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,278.48 : 513,748.24 = 202,513.04 : x
  2. Step 2: Convert to fraction form
    372,278.48/513,748.24 = 202,513.04/x
  3. Step 3: Cross multiply
    372,278.48x = 513,748.24 × 202,513.04
  4. Step 4: Simplify right side
    372,278.48x = 104,040,717,877.05
  5. Step 5: Solve for x
    x = 104,040,717,877.05/372,278.48
  6. Step 6: Final answer
    x = 279,470.14

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1.5x scale

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.