Home / 282,646.20-423,515.70-149,352.60

Finding the Fourth Proportional to 282,646.20, 423,515.70 and 149,352.60

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Solution

The fourth proportional to 282,646.20, 423,515.70 and 149,352.60 is: 223,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,646.20 : 423,515.70 = 149,352.60 : x
  2. Step 2: Convert to fraction form
    282,646.20/423,515.70 = 149,352.60/x
  3. Step 3: Cross multiply
    282,646.20x = 423,515.70 × 149,352.60
  4. Step 4: Simplify right side
    282,646.20x = 63,253,170,935.82
  5. Step 5: Solve for x
    x = 63,253,170,935.82/282,646.20
  6. Step 6: Final answer
    x = 223,789.21

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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.