Home / 447,586.56-671,535.36-198,443.52

Finding the Fourth Proportional to 447,586.56, 671,535.36 and 198,443.52

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Solution

The fourth proportional to 447,586.56, 671,535.36 and 198,443.52 is: 297,734.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,586.56 : 671,535.36 = 198,443.52 : x
  2. Step 2: Convert to fraction form
    447,586.56/671,535.36 = 198,443.52/x
  3. Step 3: Cross multiply
    447,586.56x = 671,535.36 × 198,443.52
  4. Step 4: Simplify right side
    447,586.56x = 133,261,840,642.87
  5. Step 5: Solve for x
    x = 133,261,840,642.87/447,586.56
  6. Step 6: Final answer
    x = 297,734.23

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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.