Home / 276,650.10-414,975.15-260,028.90

Finding the Fourth Proportional to 276,650.10, 414,975.15 and 260,028.90

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Solution

The fourth proportional to 276,650.10, 414,975.15 and 260,028.90 is: 390,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,650.10 : 414,975.15 = 260,028.90 : x
  2. Step 2: Convert to fraction form
    276,650.10/414,975.15 = 260,028.90/x
  3. Step 3: Cross multiply
    276,650.10x = 414,975.15 × 260,028.90
  4. Step 4: Simplify right side
    276,650.10x = 107,905,531,781.84
  5. Step 5: Solve for x
    x = 107,905,531,781.84/276,650.10
  6. Step 6: Final answer
    x = 390,043.35

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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.