Home / 278,876.44-384,853.64-151,552.13

Finding the Fourth Proportional to 278,876.44, 384,853.64 and 151,552.13

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Solution

The fourth proportional to 278,876.44, 384,853.64 and 151,552.13 is: 209,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,876.44 : 384,853.64 = 151,552.13 : x
  2. Step 2: Convert to fraction form
    278,876.44/384,853.64 = 151,552.13/x
  3. Step 3: Cross multiply
    278,876.44x = 384,853.64 × 151,552.13
  4. Step 4: Simplify right side
    278,876.44x = 58,325,388,122.49
  5. Step 5: Solve for x
    x = 58,325,388,122.49/278,876.44
  6. Step 6: Final answer
    x = 209,144.20

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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.