Home / 276,581.84-414,870.04-126,779.60

Finding the Fourth Proportional to 276,581.84, 414,870.04 and 126,779.60

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Solution

The fourth proportional to 276,581.84, 414,870.04 and 126,779.60 is: 190,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,581.84 : 414,870.04 = 126,779.60 : x
  2. Step 2: Convert to fraction form
    276,581.84/414,870.04 = 126,779.60/x
  3. Step 3: Cross multiply
    276,581.84x = 414,870.04 × 126,779.60
  4. Step 4: Simplify right side
    276,581.84x = 52,597,057,723.18
  5. Step 5: Solve for x
    x = 52,597,057,723.18/276,581.84
  6. Step 6: Final answer
    x = 190,168.15

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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.