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Finding the Fourth Proportional to 305,378.67, 458,070.44 and 125,417.73

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Solution

The fourth proportional to 305,378.67, 458,070.44 and 125,417.73 is: 188,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,378.67 : 458,070.44 = 125,417.73 : x
  2. Step 2: Convert to fraction form
    305,378.67/458,070.44 = 125,417.73/x
  3. Step 3: Cross multiply
    305,378.67x = 458,070.44 × 125,417.73
  4. Step 4: Simplify right side
    305,378.67x = 57,450,154,764.90
  5. Step 5: Solve for x
    x = 57,450,154,764.90/305,378.67
  6. Step 6: Final answer
    x = 188,127.60

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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.