Home / 304,629.60-457,053.68-136,135.76

Finding the Fourth Proportional to 304,629.60, 457,053.68 and 136,135.76

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Solution

The fourth proportional to 304,629.60, 457,053.68 and 136,135.76 is: 204,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,629.60 : 457,053.68 = 136,135.76 : x
  2. Step 2: Convert to fraction form
    304,629.60/457,053.68 = 136,135.76/x
  3. Step 3: Cross multiply
    304,629.60x = 457,053.68 × 136,135.76
  4. Step 4: Simplify right side
    304,629.60x = 62,221,350,087.60
  5. Step 5: Solve for x
    x = 62,221,350,087.60/304,629.60
  6. Step 6: Final answer
    x = 204,252.48

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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.