Home / 456,217.14-684,372.54-172,146.77

Finding the Fourth Proportional to 456,217.14, 684,372.54 and 172,146.77

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Solution

The fourth proportional to 456,217.14, 684,372.54 and 172,146.77 is: 258,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,217.14 : 684,372.54 = 172,146.77 : x
  2. Step 2: Convert to fraction form
    456,217.14/684,372.54 = 172,146.77/x
  3. Step 3: Cross multiply
    456,217.14x = 684,372.54 × 172,146.77
  4. Step 4: Simplify right side
    456,217.14x = 117,812,522,027.78
  5. Step 5: Solve for x
    x = 117,812,522,027.78/456,217.14
  6. Step 6: Final answer
    x = 258,237.82

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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.