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Finding the Fourth Proportional to 221,575.46, 332,334.02 and 61,662.02

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Solution

The fourth proportional to 221,575.46, 332,334.02 and 61,662.02 is: 92,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,575.46 : 332,334.02 = 61,662.02 : x
  2. Step 2: Convert to fraction form
    221,575.46/332,334.02 = 61,662.02/x
  3. Step 3: Cross multiply
    221,575.46x = 332,334.02 × 61,662.02
  4. Step 4: Simplify right side
    221,575.46x = 20,492,386,987.92
  5. Step 5: Solve for x
    x = 20,492,386,987.92/221,575.46
  6. Step 6: Final answer
    x = 92,484.91

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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.