Home / 217,885.20-326,827.80-165,008.40

Finding the Fourth Proportional to 217,885.20, 326,827.80 and 165,008.40

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Solution

The fourth proportional to 217,885.20, 326,827.80 and 165,008.40 is: 247,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,885.20 : 326,827.80 = 165,008.40 : x
  2. Step 2: Convert to fraction form
    217,885.20/326,827.80 = 165,008.40/x
  3. Step 3: Cross multiply
    217,885.20x = 326,827.80 × 165,008.40
  4. Step 4: Simplify right side
    217,885.20x = 53,929,332,353.52
  5. Step 5: Solve for x
    x = 53,929,332,353.52/217,885.20
  6. Step 6: Final answer
    x = 247,512.60

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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.