Home / 305,230.20-458,009.33-127,755.15

Finding the Fourth Proportional to 305,230.20, 458,009.33 and 127,755.15

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Solution

The fourth proportional to 305,230.20, 458,009.33 and 127,755.15 is: 191,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,230.20 : 458,009.33 = 127,755.15 : x
  2. Step 2: Convert to fraction form
    305,230.20/458,009.33 = 127,755.15/x
  3. Step 3: Cross multiply
    305,230.20x = 458,009.33 × 127,755.15
  4. Step 4: Simplify right side
    305,230.20x = 58,513,050,016.77
  5. Step 5: Solve for x
    x = 58,513,050,016.77/305,230.20
  6. Step 6: Final answer
    x = 191,701.38

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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.