Home / 305,891.07-458,318.80-187,314.76

Finding the Fourth Proportional to 305,891.07, 458,318.80 and 187,314.76

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Solution

The fourth proportional to 305,891.07, 458,318.80 and 187,314.76 is: 280,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,891.07 : 458,318.80 = 187,314.76 : x
  2. Step 2: Convert to fraction form
    305,891.07/458,318.80 = 187,314.76/x
  3. Step 3: Cross multiply
    305,891.07x = 458,318.80 × 187,314.76
  4. Step 4: Simplify right side
    305,891.07x = 85,849,876,025.49
  5. Step 5: Solve for x
    x = 85,849,876,025.49/305,891.07
  6. Step 6: Final answer
    x = 280,655.06

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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.