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Finding the Fourth Proportional to 297,449.04, 446,140.92 and 87,089.04

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Solution

The fourth proportional to 297,449.04, 446,140.92 and 87,089.04 is: 130,624.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,449.04 : 446,140.92 = 87,089.04 : x
  2. Step 2: Convert to fraction form
    297,449.04/446,140.92 = 87,089.04/x
  3. Step 3: Cross multiply
    297,449.04x = 446,140.92 × 87,089.04
  4. Step 4: Simplify right side
    297,449.04x = 38,853,984,427.52
  5. Step 5: Solve for x
    x = 38,853,984,427.52/297,449.04
  6. Step 6: Final answer
    x = 130,624.00

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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.