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Finding the Fourth Proportional to 144,483.94, 216,704.04 and 39,311.11

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Solution

The fourth proportional to 144,483.94, 216,704.04 and 39,311.11 is: 58,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,483.94 : 216,704.04 = 39,311.11 : x
  2. Step 2: Convert to fraction form
    144,483.94/216,704.04 = 39,311.11/x
  3. Step 3: Cross multiply
    144,483.94x = 216,704.04 × 39,311.11
  4. Step 4: Simplify right side
    144,483.94x = 8,518,876,353.88
  5. Step 5: Solve for x
    x = 8,518,876,353.88/144,483.94
  6. Step 6: Final answer
    x = 58,960.71

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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.