Home / 305,849.50-458,521.65-134,949.54

Finding the Fourth Proportional to 305,849.50, 458,521.65 and 134,949.54

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Solution

The fourth proportional to 305,849.50, 458,521.65 and 134,949.54 is: 202,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,849.50 : 458,521.65 = 134,949.54 : x
  2. Step 2: Convert to fraction form
    305,849.50/458,521.65 = 134,949.54/x
  3. Step 3: Cross multiply
    305,849.50x = 458,521.65 × 134,949.54
  4. Step 4: Simplify right side
    305,849.50x = 61,877,285,229.62
  5. Step 5: Solve for x
    x = 61,877,285,229.62/305,849.50
  6. Step 6: Final answer
    x = 202,312.85

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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.