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Finding the Fourth Proportional to 304,765.47, 457,178.25 and 105,059.58

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Solution

The fourth proportional to 304,765.47, 457,178.25 and 105,059.58 is: 157,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,765.47 : 457,178.25 = 105,059.58 : x
  2. Step 2: Convert to fraction form
    304,765.47/457,178.25 = 105,059.58/x
  3. Step 3: Cross multiply
    304,765.47x = 457,178.25 × 105,059.58
  4. Step 4: Simplify right side
    304,765.47x = 48,030,954,930.14
  5. Step 5: Solve for x
    x = 48,030,954,930.14/304,765.47
  6. Step 6: Final answer
    x = 157,599.73

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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.