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Finding the Fourth Proportional to 221,307.60, 332,004.60 and 88,165.20

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Solution

The fourth proportional to 221,307.60, 332,004.60 and 88,165.20 is: 132,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,307.60 : 332,004.60 = 88,165.20 : x
  2. Step 2: Convert to fraction form
    221,307.60/332,004.60 = 88,165.20/x
  3. Step 3: Cross multiply
    221,307.60x = 332,004.60 × 88,165.20
  4. Step 4: Simplify right side
    221,307.60x = 29,271,251,959.92
  5. Step 5: Solve for x
    x = 29,271,251,959.92/221,307.60
  6. Step 6: Final answer
    x = 132,265.01

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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.