Home / 217,617.10-326,425.65-147,114.70

Finding the Fourth Proportional to 217,617.10, 326,425.65 and 147,114.70

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Solution

The fourth proportional to 217,617.10, 326,425.65 and 147,114.70 is: 220,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,617.10 : 326,425.65 = 147,114.70 : x
  2. Step 2: Convert to fraction form
    217,617.10/326,425.65 = 147,114.70/x
  3. Step 3: Cross multiply
    217,617.10x = 326,425.65 × 147,114.70
  4. Step 4: Simplify right side
    217,617.10x = 48,022,011,572.06
  5. Step 5: Solve for x
    x = 48,022,011,572.06/217,617.10
  6. Step 6: Final answer
    x = 220,672.05

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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.