Home / 278,728.58-418,092.06-101,234.90

Finding the Fourth Proportional to 278,728.58, 418,092.06 and 101,234.90

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Solution

The fourth proportional to 278,728.58, 418,092.06 and 101,234.90 is: 151,852.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,728.58 : 418,092.06 = 101,234.90 : x
  2. Step 2: Convert to fraction form
    278,728.58/418,092.06 = 101,234.90/x
  3. Step 3: Cross multiply
    278,728.58x = 418,092.06 × 101,234.90
  4. Step 4: Simplify right side
    278,728.58x = 42,325,507,884.89
  5. Step 5: Solve for x
    x = 42,325,507,884.89/278,728.58
  6. Step 6: Final answer
    x = 151,852.06

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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.