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Finding the Fourth Proportional to 451,475.75, 623,032.35 and 247,538

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Solution

The fourth proportional to 451,475.75, 623,032.35 and 247,538 is: 341,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,475.75 : 623,032.35 = 247,538 : x
  2. Step 2: Convert to fraction form
    451,475.75/623,032.35 = 247,538/x
  3. Step 3: Cross multiply
    451,475.75x = 623,032.35 × 247,538
  4. Step 4: Simplify right side
    451,475.75x = 154,224,181,854.30
  5. Step 5: Solve for x
    x = 154,224,181,854.30/451,475.75
  6. Step 6: Final answer
    x = 341,600.15

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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.