Home / 389,918.24-584,898.16-123,700.04

Finding the Fourth Proportional to 389,918.24, 584,898.16 and 123,700.04

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Solution

The fourth proportional to 389,918.24, 584,898.16 and 123,700.04 is: 185,556.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,918.24 : 584,898.16 = 123,700.04 : x
  2. Step 2: Convert to fraction form
    389,918.24/584,898.16 = 123,700.04/x
  3. Step 3: Cross multiply
    389,918.24x = 584,898.16 × 123,700.04
  4. Step 4: Simplify right side
    389,918.24x = 72,351,925,787.93
  5. Step 5: Solve for x
    x = 72,351,925,787.93/389,918.24
  6. Step 6: Final answer
    x = 185,556.66

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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.