Home / 558,289.96-837,435.40-137,565.88

Finding the Fourth Proportional to 558,289.96, 837,435.40 and 137,565.88

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Solution

The fourth proportional to 558,289.96, 837,435.40 and 137,565.88 is: 206,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,289.96 : 837,435.40 = 137,565.88 : x
  2. Step 2: Convert to fraction form
    558,289.96/837,435.40 = 137,565.88/x
  3. Step 3: Cross multiply
    558,289.96x = 837,435.40 × 137,565.88
  4. Step 4: Simplify right side
    558,289.96x = 115,202,537,744.15
  5. Step 5: Solve for x
    x = 115,202,537,744.15/558,289.96
  6. Step 6: Final answer
    x = 206,348.93

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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.