Home / 361,869.23-499,369.89-208,902.24

Finding the Fourth Proportional to 361,869.23, 499,369.89 and 208,902.24

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Solution

The fourth proportional to 361,869.23, 499,369.89 and 208,902.24 is: 288,279.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,869.23 : 499,369.89 = 208,902.24 : x
  2. Step 2: Convert to fraction form
    361,869.23/499,369.89 = 208,902.24/x
  3. Step 3: Cross multiply
    361,869.23x = 499,369.89 × 208,902.24
  4. Step 4: Simplify right side
    361,869.23x = 104,319,488,609.55
  5. Step 5: Solve for x
    x = 104,319,488,609.55/361,869.23
  6. Step 6: Final answer
    x = 288,279.53

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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.