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Finding the Fourth Proportional to 372,546, 514,115.91 and 202,781.34

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Solution

The fourth proportional to 372,546, 514,115.91 and 202,781.34 is: 279,839.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,546 : 514,115.91 = 202,781.34 : x
  2. Step 2: Convert to fraction form
    372,546/514,115.91 = 202,781.34/x
  3. Step 3: Cross multiply
    372,546x = 514,115.91 × 202,781.34
  4. Step 4: Simplify right side
    372,546x = 104,253,113,145.12
  5. Step 5: Solve for x
    x = 104,253,113,145.12/372,546
  6. Step 6: Final answer
    x = 279,839.57

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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.