Home / 217,437.30-326,812.05-188,568.90

Finding the Fourth Proportional to 217,437.30, 326,812.05 and 188,568.90

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Solution

The fourth proportional to 217,437.30, 326,812.05 and 188,568.90 is: 283,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,437.30 : 326,812.05 = 188,568.90 : x
  2. Step 2: Convert to fraction form
    217,437.30/326,812.05 = 188,568.90/x
  3. Step 3: Cross multiply
    217,437.30x = 326,812.05 × 188,568.90
  4. Step 4: Simplify right side
    217,437.30x = 61,626,588,775.25
  5. Step 5: Solve for x
    x = 61,626,588,775.25/217,437.30
  6. Step 6: Final answer
    x = 283,422.34

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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.