Home / 217,710.20-326,565.30-164,566.10

Finding the Fourth Proportional to 217,710.20, 326,565.30 and 164,566.10

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Solution

The fourth proportional to 217,710.20, 326,565.30 and 164,566.10 is: 246,849.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,710.20 : 326,565.30 = 164,566.10 : x
  2. Step 2: Convert to fraction form
    217,710.20/326,565.30 = 164,566.10/x
  3. Step 3: Cross multiply
    217,710.20x = 326,565.30 × 164,566.10
  4. Step 4: Simplify right side
    217,710.20x = 53,741,577,816.33
  5. Step 5: Solve for x
    x = 53,741,577,816.33/217,710.20
  6. Step 6: Final answer
    x = 246,849.15

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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.