Home / 272,008.24-408,011.82-72,328.66

Finding the Fourth Proportional to 272,008.24, 408,011.82 and 72,328.66

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Solution

The fourth proportional to 272,008.24, 408,011.82 and 72,328.66 is: 108,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,008.24 : 408,011.82 = 72,328.66 : x
  2. Step 2: Convert to fraction form
    272,008.24/408,011.82 = 72,328.66/x
  3. Step 3: Cross multiply
    272,008.24x = 408,011.82 × 72,328.66
  4. Step 4: Simplify right side
    272,008.24x = 29,510,948,204.76
  5. Step 5: Solve for x
    x = 29,510,948,204.76/272,008.24
  6. Step 6: Final answer
    x = 108,492.85

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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.