Home / 304,727.13-457,143.75-127,358.73

Finding the Fourth Proportional to 304,727.13, 457,143.75 and 127,358.73

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Solution

The fourth proportional to 304,727.13, 457,143.75 and 127,358.73 is: 191,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,727.13 : 457,143.75 = 127,358.73 : x
  2. Step 2: Convert to fraction form
    304,727.13/457,143.75 = 127,358.73/x
  3. Step 3: Cross multiply
    304,727.13x = 457,143.75 × 127,358.73
  4. Step 4: Simplify right side
    304,727.13x = 58,221,247,427.44
  5. Step 5: Solve for x
    x = 58,221,247,427.44/304,727.13
  6. Step 6: Final answer
    x = 191,060.27

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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.