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Finding the Fourth Proportional to 280,304.56, 387,241.92 and 183,737.76

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Solution

The fourth proportional to 280,304.56, 387,241.92 and 183,737.76 is: 253,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,304.56 : 387,241.92 = 183,737.76 : x
  2. Step 2: Convert to fraction form
    280,304.56/387,241.92 = 183,737.76/x
  3. Step 3: Cross multiply
    280,304.56x = 387,241.92 × 183,737.76
  4. Step 4: Simplify right side
    280,304.56x = 71,150,962,958.90
  5. Step 5: Solve for x
    x = 71,150,962,958.90/280,304.56
  6. Step 6: Final answer
    x = 253,834.48

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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.