Home / 272,976.40-409,723.80-168,000.40

Finding the Fourth Proportional to 272,976.40, 409,723.80 and 168,000.40

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Solution

The fourth proportional to 272,976.40, 409,723.80 and 168,000.40 is: 252,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,976.40 : 409,723.80 = 168,000.40 : x
  2. Step 2: Convert to fraction form
    272,976.40/409,723.80 = 168,000.40/x
  3. Step 3: Cross multiply
    272,976.40x = 409,723.80 × 168,000.40
  4. Step 4: Simplify right side
    272,976.40x = 68,833,762,289.52
  5. Step 5: Solve for x
    x = 68,833,762,289.52/272,976.40
  6. Step 6: Final answer
    x = 252,160.12

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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.