Home / 383,723.88-575,257.52-147,236.28

Finding the Fourth Proportional to 383,723.88, 575,257.52 and 147,236.28

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Solution

The fourth proportional to 383,723.88, 575,257.52 and 147,236.28 is: 220,728.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,723.88 : 575,257.52 = 147,236.28 : x
  2. Step 2: Convert to fraction form
    383,723.88/575,257.52 = 147,236.28/x
  3. Step 3: Cross multiply
    383,723.88x = 575,257.52 × 147,236.28
  4. Step 4: Simplify right side
    383,723.88x = 84,698,777,286.83
  5. Step 5: Solve for x
    x = 84,698,777,286.83/383,723.88
  6. Step 6: Final answer
    x = 220,728.45

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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.