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Finding the Fourth Proportional to 292,125.60, 403,131.04 and 157,989.60

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Solution

The fourth proportional to 292,125.60, 403,131.04 and 157,989.60 is: 218,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,125.60 : 403,131.04 = 157,989.60 : x
  2. Step 2: Convert to fraction form
    292,125.60/403,131.04 = 157,989.60/x
  3. Step 3: Cross multiply
    292,125.60x = 403,131.04 × 157,989.60
  4. Step 4: Simplify right side
    292,125.60x = 63,690,511,757.18
  5. Step 5: Solve for x
    x = 63,690,511,757.18/292,125.60
  6. Step 6: Final answer
    x = 218,024.41

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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.