Home / 217,144.40-326,077.25-146,521.31

Finding the Fourth Proportional to 217,144.40, 326,077.25 and 146,521.31

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Solution

The fourth proportional to 217,144.40, 326,077.25 and 146,521.31 is: 220,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,144.40 : 326,077.25 = 146,521.31 : x
  2. Step 2: Convert to fraction form
    217,144.40/326,077.25 = 146,521.31/x
  3. Step 3: Cross multiply
    217,144.40x = 326,077.25 × 146,521.31
  4. Step 4: Simplify right side
    217,144.40x = 47,777,263,468.20
  5. Step 5: Solve for x
    x = 47,777,263,468.20/217,144.40
  6. Step 6: Final answer
    x = 220,025.31

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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.