Home / 282,636.20-423,500.70-149,342.60

Finding the Fourth Proportional to 282,636.20, 423,500.70 and 149,342.60

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Solution

The fourth proportional to 282,636.20, 423,500.70 and 149,342.60 is: 223,774.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,636.20 : 423,500.70 = 149,342.60 : x
  2. Step 2: Convert to fraction form
    282,636.20/423,500.70 = 149,342.60/x
  3. Step 3: Cross multiply
    282,636.20x = 423,500.70 × 149,342.60
  4. Step 4: Simplify right side
    282,636.20x = 63,246,695,639.82
  5. Step 5: Solve for x
    x = 63,246,695,639.82/282,636.20
  6. Step 6: Final answer
    x = 223,774.22

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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.