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Finding the Fourth Proportional to 240,247.81, 360,404.82 and 82,455.76

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Solution

The fourth proportional to 240,247.81, 360,404.82 and 82,455.76 is: 123,695.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,247.81 : 360,404.82 = 82,455.76 : x
  2. Step 2: Convert to fraction form
    240,247.81/360,404.82 = 82,455.76/x
  3. Step 3: Cross multiply
    240,247.81x = 360,404.82 × 82,455.76
  4. Step 4: Simplify right side
    240,247.81x = 29,717,453,340.76
  5. Step 5: Solve for x
    x = 29,717,453,340.76/240,247.81
  6. Step 6: Final answer
    x = 123,695.00

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1.5x scale

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.