Home / 221,378.18-332,034.16-61,437.25

Finding the Fourth Proportional to 221,378.18, 332,034.16 and 61,437.25

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Solution

The fourth proportional to 221,378.18, 332,034.16 and 61,437.25 is: 92,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,378.18 : 332,034.16 = 61,437.25 : x
  2. Step 2: Convert to fraction form
    221,378.18/332,034.16 = 61,437.25/x
  3. Step 3: Cross multiply
    221,378.18x = 332,034.16 × 61,437.25
  4. Step 4: Simplify right side
    221,378.18x = 20,399,265,542.87
  5. Step 5: Solve for x
    x = 20,399,265,542.87/221,378.18
  6. Step 6: Final answer
    x = 92,146.69

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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.