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Finding the Fourth Proportional to 349,793.92, 524,723.04 and 150,069.28

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Solution

The fourth proportional to 349,793.92, 524,723.04 and 150,069.28 is: 225,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,793.92 : 524,723.04 = 150,069.28 : x
  2. Step 2: Convert to fraction form
    349,793.92/524,723.04 = 150,069.28/x
  3. Step 3: Cross multiply
    349,793.92x = 524,723.04 × 150,069.28
  4. Step 4: Simplify right side
    349,793.92x = 78,744,808,812.21
  5. Step 5: Solve for x
    x = 78,744,808,812.21/349,793.92
  6. Step 6: Final answer
    x = 225,117.72

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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.