Home / 497,563.20-746,120.16-142,495.92

Finding the Fourth Proportional to 497,563.20, 746,120.16 and 142,495.92

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Solution

The fourth proportional to 497,563.20, 746,120.16 and 142,495.92 is: 213,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,563.20 : 746,120.16 = 142,495.92 : x
  2. Step 2: Convert to fraction form
    497,563.20/746,120.16 = 142,495.92/x
  3. Step 3: Cross multiply
    497,563.20x = 746,120.16 × 142,495.92
  4. Step 4: Simplify right side
    497,563.20x = 106,319,078,629.75
  5. Step 5: Solve for x
    x = 106,319,078,629.75/497,563.20
  6. Step 6: Final answer
    x = 213,679.55

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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.