Home / 456,006.15-684,082.74-140,462.76

Finding the Fourth Proportional to 456,006.15, 684,082.74 and 140,462.76

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Solution

The fourth proportional to 456,006.15, 684,082.74 and 140,462.76 is: 210,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,006.15 : 684,082.74 = 140,462.76 : x
  2. Step 2: Convert to fraction form
    456,006.15/684,082.74 = 140,462.76/x
  3. Step 3: Cross multiply
    456,006.15x = 684,082.74 × 140,462.76
  4. Step 4: Simplify right side
    456,006.15x = 96,088,149,728.76
  5. Step 5: Solve for x
    x = 96,088,149,728.76/456,006.15
  6. Step 6: Final answer
    x = 210,716.78

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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.