Home / 304,729.14-457,146.76-127,360.74

Finding the Fourth Proportional to 304,729.14, 457,146.76 and 127,360.74

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Solution

The fourth proportional to 304,729.14, 457,146.76 and 127,360.74 is: 191,063.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,729.14 : 457,146.76 = 127,360.74 : x
  2. Step 2: Convert to fraction form
    304,729.14/457,146.76 = 127,360.74/x
  3. Step 3: Cross multiply
    304,729.14x = 457,146.76 × 127,360.74
  4. Step 4: Simplify right side
    304,729.14x = 58,222,549,642.20
  5. Step 5: Solve for x
    x = 58,222,549,642.20/304,729.14
  6. Step 6: Final answer
    x = 191,063.28

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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.