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Finding the Fourth Proportional to 498,337.65, 747,614.21 and 161,412.21

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Solution

The fourth proportional to 498,337.65, 747,614.21 and 161,412.21 is: 242,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,337.65 : 747,614.21 = 161,412.21 : x
  2. Step 2: Convert to fraction form
    498,337.65/747,614.21 = 161,412.21/x
  3. Step 3: Cross multiply
    498,337.65x = 747,614.21 × 161,412.21
  4. Step 4: Simplify right side
    498,337.65x = 120,674,061,056.44
  5. Step 5: Solve for x
    x = 120,674,061,056.44/498,337.65
  6. Step 6: Final answer
    x = 242,153.21

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1.5x scale

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.