Home / 217,188.27-326,140.70-146,564.64

Finding the Fourth Proportional to 217,188.27, 326,140.70 and 146,564.64

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Solution

The fourth proportional to 217,188.27, 326,140.70 and 146,564.64 is: 220,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,188.27 : 326,140.70 = 146,564.64 : x
  2. Step 2: Convert to fraction form
    217,188.27/326,140.70 = 146,564.64/x
  3. Step 3: Cross multiply
    217,188.27x = 326,140.70 × 146,564.64
  4. Step 4: Simplify right side
    217,188.27x = 47,800,693,552.02
  5. Step 5: Solve for x
    x = 47,800,693,552.02/217,188.27
  6. Step 6: Final answer
    x = 220,088.74

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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.