Home / 250,921.20-346,247.88-148,929.12

Finding the Fourth Proportional to 250,921.20, 346,247.88 and 148,929.12

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Solution

The fourth proportional to 250,921.20, 346,247.88 and 148,929.12 is: 205,508.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,921.20 : 346,247.88 = 148,929.12 : x
  2. Step 2: Convert to fraction form
    250,921.20/346,247.88 = 148,929.12/x
  3. Step 3: Cross multiply
    250,921.20x = 346,247.88 × 148,929.12
  4. Step 4: Simplify right side
    250,921.20x = 51,566,392,070.27
  5. Step 5: Solve for x
    x = 51,566,392,070.27/250,921.20
  6. Step 6: Final answer
    x = 205,508.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.