Home / 217,117.80-326,022.30-147,306.60

Finding the Fourth Proportional to 217,117.80, 326,022.30 and 147,306.60

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Solution

The fourth proportional to 217,117.80, 326,022.30 and 147,306.60 is: 221,194.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,117.80 : 326,022.30 = 147,306.60 : x
  2. Step 2: Convert to fraction form
    217,117.80/326,022.30 = 147,306.60/x
  3. Step 3: Cross multiply
    217,117.80x = 326,022.30 × 147,306.60
  4. Step 4: Simplify right side
    217,117.80x = 48,025,236,537.18
  5. Step 5: Solve for x
    x = 48,025,236,537.18/217,117.80
  6. Step 6: Final answer
    x = 221,194.38

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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.