Home / 558,311.96-837,468.40-137,587.88

Finding the Fourth Proportional to 558,311.96, 837,468.40 and 137,587.88

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Solution

The fourth proportional to 558,311.96, 837,468.40 and 137,587.88 is: 206,381.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,311.96 : 837,468.40 = 137,587.88 : x
  2. Step 2: Convert to fraction form
    558,311.96/837,468.40 = 137,587.88/x
  3. Step 3: Cross multiply
    558,311.96x = 837,468.40 × 137,587.88
  4. Step 4: Simplify right side
    558,311.96x = 115,225,501,722.99
  5. Step 5: Solve for x
    x = 115,225,501,722.99/558,311.96
  6. Step 6: Final answer
    x = 206,381.93

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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.