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Finding the Fourth Proportional to 499,774.02, 749,660.12 and 162,814.27

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Solution

The fourth proportional to 499,774.02, 749,660.12 and 162,814.27 is: 244,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,774.02 : 749,660.12 = 162,814.27 : x
  2. Step 2: Convert to fraction form
    499,774.02/749,660.12 = 162,814.27/x
  3. Step 3: Cross multiply
    499,774.02x = 749,660.12 × 162,814.27
  4. Step 4: Simplify right side
    499,774.02x = 122,055,364,371.84
  5. Step 5: Solve for x
    x = 122,055,364,371.84/499,774.02
  6. Step 6: Final answer
    x = 244,221.11

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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.