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Finding the Fourth Proportional to 221,810.52, 332,401.26 and 171,657.15

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Solution

The fourth proportional to 221,810.52, 332,401.26 and 171,657.15 is: 257,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,810.52 : 332,401.26 = 171,657.15 : x
  2. Step 2: Convert to fraction form
    221,810.52/332,401.26 = 171,657.15/x
  3. Step 3: Cross multiply
    221,810.52x = 332,401.26 × 171,657.15
  4. Step 4: Simplify right side
    221,810.52x = 57,059,052,948.01
  5. Step 5: Solve for x
    x = 57,059,052,948.01/221,810.52
  6. Step 6: Final answer
    x = 257,242.32

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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.