Home / 251,260.28-346,752.45-142,385.70

Finding the Fourth Proportional to 251,260.28, 346,752.45 and 142,385.70

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Solution

The fourth proportional to 251,260.28, 346,752.45 and 142,385.70 is: 196,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,260.28 : 346,752.45 = 142,385.70 : x
  2. Step 2: Convert to fraction form
    251,260.28/346,752.45 = 142,385.70/x
  3. Step 3: Cross multiply
    251,260.28x = 346,752.45 × 142,385.70
  4. Step 4: Simplify right side
    251,260.28x = 49,372,590,319.97
  5. Step 5: Solve for x
    x = 49,372,590,319.97/251,260.28
  6. Step 6: Final answer
    x = 196,499.79

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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.