Home / 409,500.56-614,338.28-143,269.76

Finding the Fourth Proportional to 409,500.56, 614,338.28 and 143,269.76

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Solution

The fourth proportional to 409,500.56, 614,338.28 and 143,269.76 is: 214,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,500.56 : 614,338.28 = 143,269.76 : x
  2. Step 2: Convert to fraction form
    409,500.56/614,338.28 = 143,269.76/x
  3. Step 3: Cross multiply
    409,500.56x = 614,338.28 × 143,269.76
  4. Step 4: Simplify right side
    409,500.56x = 88,016,097,934.41
  5. Step 5: Solve for x
    x = 88,016,097,934.41/409,500.56
  6. Step 6: Final answer
    x = 214,935.23

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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.