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Finding the Fourth Proportional to 272,002.74, 408,003.57 and 72,323.16

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Solution

The fourth proportional to 272,002.74, 408,003.57 and 72,323.16 is: 108,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,002.74 : 408,003.57 = 72,323.16 : x
  2. Step 2: Convert to fraction form
    272,002.74/408,003.57 = 72,323.16/x
  3. Step 3: Cross multiply
    272,002.74x = 408,003.57 × 72,323.16
  4. Step 4: Simplify right side
    272,002.74x = 29,508,107,473.68
  5. Step 5: Solve for x
    x = 29,508,107,473.68/272,002.74
  6. Step 6: Final answer
    x = 108,484.60

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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.