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Finding the Fourth Proportional to 541,865.89, 747,742.03 and 300,134.35

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Solution

The fourth proportional to 541,865.89, 747,742.03 and 300,134.35 is: 414,167.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,865.89 : 747,742.03 = 300,134.35 : x
  2. Step 2: Convert to fraction form
    541,865.89/747,742.03 = 300,134.35/x
  3. Step 3: Cross multiply
    541,865.89x = 747,742.03 × 300,134.35
  4. Step 4: Simplify right side
    541,865.89x = 224,423,068,141.73
  5. Step 5: Solve for x
    x = 224,423,068,141.73/541,865.89
  6. Step 6: Final answer
    x = 414,167.18

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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.