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Finding the Fourth Proportional to 304,854.30, 457,281.45 and 83,238.30

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Solution

The fourth proportional to 304,854.30, 457,281.45 and 83,238.30 is: 124,857.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,854.30 : 457,281.45 = 83,238.30 : x
  2. Step 2: Convert to fraction form
    304,854.30/457,281.45 = 83,238.30/x
  3. Step 3: Cross multiply
    304,854.30x = 457,281.45 × 83,238.30
  4. Step 4: Simplify right side
    304,854.30x = 38,063,330,519.54
  5. Step 5: Solve for x
    x = 38,063,330,519.54/304,854.30
  6. Step 6: Final answer
    x = 124,857.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.