Home / 497,639.20-746,458.80-165,215.20

Finding the Fourth Proportional to 497,639.20, 746,458.80 and 165,215.20

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Solution

The fourth proportional to 497,639.20, 746,458.80 and 165,215.20 is: 247,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,639.20 : 746,458.80 = 165,215.20 : x
  2. Step 2: Convert to fraction form
    497,639.20/746,458.80 = 165,215.20/x
  3. Step 3: Cross multiply
    497,639.20x = 746,458.80 × 165,215.20
  4. Step 4: Simplify right side
    497,639.20x = 123,326,339,933.76
  5. Step 5: Solve for x
    x = 123,326,339,933.76/497,639.20
  6. Step 6: Final answer
    x = 247,822.80

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Similar ratio
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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.