Home / 305,927.18-458,843.31-156,278.06

Finding the Fourth Proportional to 305,927.18, 458,843.31 and 156,278.06

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Solution

The fourth proportional to 305,927.18, 458,843.31 and 156,278.06 is: 234,392.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,927.18 : 458,843.31 = 156,278.06 : x
  2. Step 2: Convert to fraction form
    305,927.18/458,843.31 = 156,278.06/x
  3. Step 3: Cross multiply
    305,927.18x = 458,843.31 × 156,278.06
  4. Step 4: Simplify right side
    305,927.18x = 71,707,140,036.56
  5. Step 5: Solve for x
    x = 71,707,140,036.56/305,927.18
  6. Step 6: Final answer
    x = 234,392.84

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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.