Home / 278,327.26-384,088.17-151,001.92

Finding the Fourth Proportional to 278,327.26, 384,088.17 and 151,001.92

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Solution

The fourth proportional to 278,327.26, 384,088.17 and 151,001.92 is: 208,380.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,327.26 : 384,088.17 = 151,001.92 : x
  2. Step 2: Convert to fraction form
    278,327.26/384,088.17 = 151,001.92/x
  3. Step 3: Cross multiply
    278,327.26x = 384,088.17 × 151,001.92
  4. Step 4: Simplify right side
    278,327.26x = 57,998,051,119.29
  5. Step 5: Solve for x
    x = 57,998,051,119.29/278,327.26
  6. Step 6: Final answer
    x = 208,380.78

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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.