Home / 389,962.14-584,963.98-123,743.48

Finding the Fourth Proportional to 389,962.14, 584,963.98 and 123,743.48

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Solution

The fourth proportional to 389,962.14, 584,963.98 and 123,743.48 is: 185,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,962.14 : 584,963.98 = 123,743.48 : x
  2. Step 2: Convert to fraction form
    389,962.14/584,963.98 = 123,743.48/x
  3. Step 3: Cross multiply
    389,962.14x = 584,963.98 × 123,743.48
  4. Step 4: Simplify right side
    389,962.14x = 72,385,478,559.85
  5. Step 5: Solve for x
    x = 72,385,478,559.85/389,962.14
  6. Step 6: Final answer
    x = 185,621.81

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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.