Home / 280,143.04-386,647.52-166,972.96

Finding the Fourth Proportional to 280,143.04, 386,647.52 and 166,972.96

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Solution

The fourth proportional to 280,143.04, 386,647.52 and 166,972.96 is: 230,452.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,143.04 : 386,647.52 = 166,972.96 : x
  2. Step 2: Convert to fraction form
    280,143.04/386,647.52 = 166,972.96/x
  3. Step 3: Cross multiply
    280,143.04x = 386,647.52 × 166,972.96
  4. Step 4: Simplify right side
    280,143.04x = 64,559,680,891.06
  5. Step 5: Solve for x
    x = 64,559,680,891.06/280,143.04
  6. Step 6: Final answer
    x = 230,452.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.