Home / 477,132.96-715,702.56-140,172.24

Finding the Fourth Proportional to 477,132.96, 715,702.56 and 140,172.24

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Solution

The fourth proportional to 477,132.96, 715,702.56 and 140,172.24 is: 210,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,132.96 : 715,702.56 = 140,172.24 : x
  2. Step 2: Convert to fraction form
    477,132.96/715,702.56 = 140,172.24/x
  3. Step 3: Cross multiply
    477,132.96x = 715,702.56 × 140,172.24
  4. Step 4: Simplify right side
    477,132.96x = 100,321,631,008.93
  5. Step 5: Solve for x
    x = 100,321,631,008.93/477,132.96
  6. Step 6: Final answer
    x = 210,259.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.