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Finding the Fourth Proportional to 372,249.90, 513,702 and 202,484.16

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Solution

The fourth proportional to 372,249.90, 513,702 and 202,484.16 is: 279,426.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,249.90 : 513,702 = 202,484.16 : x
  2. Step 2: Convert to fraction form
    372,249.90/513,702 = 202,484.16/x
  3. Step 3: Cross multiply
    372,249.90x = 513,702 × 202,484.16
  4. Step 4: Simplify right side
    372,249.90x = 104,016,517,960.32
  5. Step 5: Solve for x
    x = 104,016,517,960.32/372,249.90
  6. Step 6: Final answer
    x = 279,426.58

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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.