Home / 372,142.17-513,556.74-202,376.25

Finding the Fourth Proportional to 372,142.17, 513,556.74 and 202,376.25

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Solution

The fourth proportional to 372,142.17, 513,556.74 and 202,376.25 is: 279,279.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,142.17 : 513,556.74 = 202,376.25 : x
  2. Step 2: Convert to fraction form
    372,142.17/513,556.74 = 202,376.25/x
  3. Step 3: Cross multiply
    372,142.17x = 513,556.74 × 202,376.25
  4. Step 4: Simplify right side
    372,142.17x = 103,931,687,203.43
  5. Step 5: Solve for x
    x = 103,931,687,203.43/372,142.17
  6. Step 6: Final answer
    x = 279,279.52

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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.