Home / 388,976.52-583,131.98-149,262.44

Finding the Fourth Proportional to 388,976.52, 583,131.98 and 149,262.44

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Solution

The fourth proportional to 388,976.52, 583,131.98 and 149,262.44 is: 223,765.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,976.52 : 583,131.98 = 149,262.44 : x
  2. Step 2: Convert to fraction form
    388,976.52/583,131.98 = 149,262.44/x
  3. Step 3: Cross multiply
    388,976.52x = 583,131.98 × 149,262.44
  4. Step 4: Simplify right side
    388,976.52x = 87,039,702,176.83
  5. Step 5: Solve for x
    x = 87,039,702,176.83/388,976.52
  6. Step 6: Final answer
    x = 223,765.95

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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.