Home / 278,637.35-417,956.03-101,150.15

Finding the Fourth Proportional to 278,637.35, 417,956.03 and 101,150.15

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Solution

The fourth proportional to 278,637.35, 417,956.03 and 101,150.15 is: 151,725.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,637.35 : 417,956.03 = 101,150.15 : x
  2. Step 2: Convert to fraction form
    278,637.35/417,956.03 = 101,150.15/x
  3. Step 3: Cross multiply
    278,637.35x = 417,956.03 × 101,150.15
  4. Step 4: Simplify right side
    278,637.35x = 42,276,314,622.15
  5. Step 5: Solve for x
    x = 42,276,314,622.15/278,637.35
  6. Step 6: Final answer
    x = 151,725.23

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.