Home / 498,835.80-748,364.27-143,822.12

Finding the Fourth Proportional to 498,835.80, 748,364.27 and 143,822.12

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Solution

The fourth proportional to 498,835.80, 748,364.27 and 143,822.12 is: 215,765.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,835.80 : 748,364.27 = 143,822.12 : x
  2. Step 2: Convert to fraction form
    498,835.80/748,364.27 = 143,822.12/x
  3. Step 3: Cross multiply
    498,835.80x = 748,364.27 × 143,822.12
  4. Step 4: Simplify right side
    498,835.80x = 107,631,331,382.72
  5. Step 5: Solve for x
    x = 107,631,331,382.72/498,835.80
  6. Step 6: Final answer
    x = 215,765.05

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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.