Home / 399,155.85-598,829.46-132,918.77

Finding the Fourth Proportional to 399,155.85, 598,829.46 and 132,918.77

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Solution

The fourth proportional to 399,155.85, 598,829.46 and 132,918.77 is: 199,410.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,155.85 : 598,829.46 = 132,918.77 : x
  2. Step 2: Convert to fraction form
    399,155.85/598,829.46 = 132,918.77/x
  3. Step 3: Cross multiply
    399,155.85x = 598,829.46 × 132,918.77
  4. Step 4: Simplify right side
    399,155.85x = 79,595,676,261.59
  5. Step 5: Solve for x
    x = 79,595,676,261.59/399,155.85
  6. Step 6: Final answer
    x = 199,410.02

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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.