Home / 289,391.04-399,366.72-162,092.52

Finding the Fourth Proportional to 289,391.04, 399,366.72 and 162,092.52

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Solution

The fourth proportional to 289,391.04, 399,366.72 and 162,092.52 is: 223,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,391.04 : 399,366.72 = 162,092.52 : x
  2. Step 2: Convert to fraction form
    289,391.04/399,366.72 = 162,092.52/x
  3. Step 3: Cross multiply
    289,391.04x = 399,366.72 × 162,092.52
  4. Step 4: Simplify right side
    289,391.04x = 64,734,358,048.93
  5. Step 5: Solve for x
    x = 64,734,358,048.93/289,391.04
  6. Step 6: Final answer
    x = 223,691.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.