Home / 305,233.61-457,788.06-115,628.61

Finding the Fourth Proportional to 305,233.61, 457,788.06 and 115,628.61

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Solution

The fourth proportional to 305,233.61, 457,788.06 and 115,628.61 is: 173,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,233.61 : 457,788.06 = 115,628.61 : x
  2. Step 2: Convert to fraction form
    305,233.61/457,788.06 = 115,628.61/x
  3. Step 3: Cross multiply
    305,233.61x = 457,788.06 × 115,628.61
  4. Step 4: Simplify right side
    305,233.61x = 52,933,395,769.30
  5. Step 5: Solve for x
    x = 52,933,395,769.30/305,233.61
  6. Step 6: Final answer
    x = 173,419.29

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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.