Home / 372,185.48-513,601.13-202,419.74

Finding the Fourth Proportional to 372,185.48, 513,601.13 and 202,419.74

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Solution

The fourth proportional to 372,185.48, 513,601.13 and 202,419.74 is: 279,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,185.48 : 513,601.13 = 202,419.74 : x
  2. Step 2: Convert to fraction form
    372,185.48/513,601.13 = 202,419.74/x
  3. Step 3: Cross multiply
    372,185.48x = 513,601.13 × 202,419.74
  4. Step 4: Simplify right side
    372,185.48x = 103,963,003,618.20
  5. Step 5: Solve for x
    x = 103,963,003,618.20/372,185.48
  6. Step 6: Final answer
    x = 279,331.17

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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.