Home / 304,780.89-457,214.19-127,247.52

Finding the Fourth Proportional to 304,780.89, 457,214.19 and 127,247.52

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Solution

The fourth proportional to 304,780.89, 457,214.19 and 127,247.52 is: 190,889.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,780.89 : 457,214.19 = 127,247.52 : x
  2. Step 2: Convert to fraction form
    304,780.89/457,214.19 = 127,247.52/x
  3. Step 3: Cross multiply
    304,780.89x = 457,214.19 × 127,247.52
  4. Step 4: Simplify right side
    304,780.89x = 58,179,371,786.31
  5. Step 5: Solve for x
    x = 58,179,371,786.31/304,780.89
  6. Step 6: Final answer
    x = 190,889.17

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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.