Home / 208,487.28-312,730.92-50,715.84

Finding the Fourth Proportional to 208,487.28, 312,730.92 and 50,715.84

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Solution

The fourth proportional to 208,487.28, 312,730.92 and 50,715.84 is: 76,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,487.28 : 312,730.92 = 50,715.84 : x
  2. Step 2: Convert to fraction form
    208,487.28/312,730.92 = 50,715.84/x
  3. Step 3: Cross multiply
    208,487.28x = 312,730.92 × 50,715.84
  4. Step 4: Simplify right side
    208,487.28x = 15,860,411,301.77
  5. Step 5: Solve for x
    x = 15,860,411,301.77/208,487.28
  6. Step 6: Final answer
    x = 76,073.76

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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.