Home / 282,348.60-423,347.94-132,621.72

Finding the Fourth Proportional to 282,348.60, 423,347.94 and 132,621.72

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Solution

The fourth proportional to 282,348.60, 423,347.94 and 132,621.72 is: 198,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,348.60 : 423,347.94 = 132,621.72 : x
  2. Step 2: Convert to fraction form
    282,348.60/423,347.94 = 132,621.72/x
  3. Step 3: Cross multiply
    282,348.60x = 423,347.94 × 132,621.72
  4. Step 4: Simplify right side
    282,348.60x = 56,145,131,961.26
  5. Step 5: Solve for x
    x = 56,145,131,961.26/282,348.60
  6. Step 6: Final answer
    x = 198,850.40

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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.