Home / 217,748.28-326,052.18-142,632.12

Finding the Fourth Proportional to 217,748.28, 326,052.18 and 142,632.12

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Solution

The fourth proportional to 217,748.28, 326,052.18 and 142,632.12 is: 213,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,748.28 : 326,052.18 = 142,632.12 : x
  2. Step 2: Convert to fraction form
    217,748.28/326,052.18 = 142,632.12/x
  3. Step 3: Cross multiply
    217,748.28x = 326,052.18 × 142,632.12
  4. Step 4: Simplify right side
    217,748.28x = 46,505,513,664.02
  5. Step 5: Solve for x
    x = 46,505,513,664.02/217,748.28
  6. Step 6: Final answer
    x = 213,574.65

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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.