Home / 421,926.30-582,229.08-240,645.96

Finding the Fourth Proportional to 421,926.30, 582,229.08 and 240,645.96

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Solution

The fourth proportional to 421,926.30, 582,229.08 and 240,645.96 is: 332,074.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,926.30 : 582,229.08 = 240,645.96 : x
  2. Step 2: Convert to fraction form
    421,926.30/582,229.08 = 240,645.96/x
  3. Step 3: Cross multiply
    421,926.30x = 582,229.08 × 240,645.96
  4. Step 4: Simplify right side
    421,926.30x = 140,111,075,896.52
  5. Step 5: Solve for x
    x = 140,111,075,896.52/421,926.30
  6. Step 6: Final answer
    x = 332,074.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.