Home / 278,822.98-384,770.82-151,499.08

Finding the Fourth Proportional to 278,822.98, 384,770.82 and 151,499.08

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Solution

The fourth proportional to 278,822.98, 384,770.82 and 151,499.08 is: 209,066.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,822.98 : 384,770.82 = 151,499.08 : x
  2. Step 2: Convert to fraction form
    278,822.98/384,770.82 = 151,499.08/x
  3. Step 3: Cross multiply
    278,822.98x = 384,770.82 × 151,499.08
  4. Step 4: Simplify right side
    278,822.98x = 58,292,425,240.85
  5. Step 5: Solve for x
    x = 58,292,425,240.85/278,822.98
  6. Step 6: Final answer
    x = 209,066.07

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1.5x scale

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.