Home / 304,923.29-457,385.93-77,218.78

Finding the Fourth Proportional to 304,923.29, 457,385.93 and 77,218.78

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Solution

The fourth proportional to 304,923.29, 457,385.93 and 77,218.78 is: 115,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,923.29 : 457,385.93 = 77,218.78 : x
  2. Step 2: Convert to fraction form
    304,923.29/457,385.93 = 77,218.78/x
  3. Step 3: Cross multiply
    304,923.29x = 457,385.93 × 77,218.78
  4. Step 4: Simplify right side
    304,923.29x = 35,318,780,830.74
  5. Step 5: Solve for x
    x = 35,318,780,830.74/304,923.29
  6. Step 6: Final answer
    x = 115,828.42

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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.