Home / 451,464.78-676,719.72-166,972.50

Finding the Fourth Proportional to 451,464.78, 676,719.72 and 166,972.50

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Solution

The fourth proportional to 451,464.78, 676,719.72 and 166,972.50 is: 250,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,464.78 : 676,719.72 = 166,972.50 : x
  2. Step 2: Convert to fraction form
    451,464.78/676,719.72 = 166,972.50/x
  3. Step 3: Cross multiply
    451,464.78x = 676,719.72 × 166,972.50
  4. Step 4: Simplify right side
    451,464.78x = 112,993,583,447.70
  5. Step 5: Solve for x
    x = 112,993,583,447.70/451,464.78
  6. Step 6: Final answer
    x = 250,282.17

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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.