Home / 217,084.40-325,432.20-142,240.40

Finding the Fourth Proportional to 217,084.40, 325,432.20 and 142,240.40

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Solution

The fourth proportional to 217,084.40, 325,432.20 and 142,240.40 is: 213,233.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,084.40 : 325,432.20 = 142,240.40 : x
  2. Step 2: Convert to fraction form
    217,084.40/325,432.20 = 142,240.40/x
  3. Step 3: Cross multiply
    217,084.40x = 325,432.20 × 142,240.40
  4. Step 4: Simplify right side
    217,084.40x = 46,289,606,300.88
  5. Step 5: Solve for x
    x = 46,289,606,300.88/217,084.40
  6. Step 6: Final answer
    x = 213,233.22

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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.