Home / 558,671.40-838,011.35-159,311.83

Finding the Fourth Proportional to 558,671.40, 838,011.35 and 159,311.83

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Solution

The fourth proportional to 558,671.40, 838,011.35 and 159,311.83 is: 238,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,671.40 : 838,011.35 = 159,311.83 : x
  2. Step 2: Convert to fraction form
    558,671.40/838,011.35 = 159,311.83/x
  3. Step 3: Cross multiply
    558,671.40x = 838,011.35 × 159,311.83
  4. Step 4: Simplify right side
    558,671.40x = 133,505,121,729.27
  5. Step 5: Solve for x
    x = 133,505,121,729.27/558,671.40
  6. Step 6: Final answer
    x = 238,968.96

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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.