Home / 278,914.59-384,902.18-151,590.19

Finding the Fourth Proportional to 278,914.59, 384,902.18 and 151,590.19

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Solution

The fourth proportional to 278,914.59, 384,902.18 and 151,590.19 is: 209,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,914.59 : 384,902.18 = 151,590.19 : x
  2. Step 2: Convert to fraction form
    278,914.59/384,902.18 = 151,590.19/x
  3. Step 3: Cross multiply
    278,914.59x = 384,902.18 × 151,590.19
  4. Step 4: Simplify right side
    278,914.59x = 58,347,394,597.61
  5. Step 5: Solve for x
    x = 58,347,394,597.61/278,914.59
  6. Step 6: Final answer
    x = 209,194.49

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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.