Home / 484,948.42-727,422.64-147,990.83

Finding the Fourth Proportional to 484,948.42, 727,422.64 and 147,990.83

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Solution

The fourth proportional to 484,948.42, 727,422.64 and 147,990.83 is: 221,986.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,948.42 : 727,422.64 = 147,990.83 : x
  2. Step 2: Convert to fraction form
    484,948.42/727,422.64 = 147,990.83/x
  3. Step 3: Cross multiply
    484,948.42x = 727,422.64 × 147,990.83
  4. Step 4: Simplify right side
    484,948.42x = 107,651,876,247.30
  5. Step 5: Solve for x
    x = 107,651,876,247.30/484,948.42
  6. Step 6: Final answer
    x = 221,986.24

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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.