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Finding the Fourth Proportional to 453,364.89, 680,022.72 and 137,797.20

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Solution

The fourth proportional to 453,364.89, 680,022.72 and 137,797.20 is: 206,688.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,364.89 : 680,022.72 = 137,797.20 : x
  2. Step 2: Convert to fraction form
    453,364.89/680,022.72 = 137,797.20/x
  3. Step 3: Cross multiply
    453,364.89x = 680,022.72 × 137,797.20
  4. Step 4: Simplify right side
    453,364.89x = 93,705,226,752.38
  5. Step 5: Solve for x
    x = 93,705,226,752.38/453,364.89
  6. Step 6: Final answer
    x = 206,688.32

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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.