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Finding the Fourth Proportional to 221,484.70, 332,275.65 and 109,218.70

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Solution

The fourth proportional to 221,484.70, 332,275.65 and 109,218.70 is: 163,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,484.70 : 332,275.65 = 109,218.70 : x
  2. Step 2: Convert to fraction form
    221,484.70/332,275.65 = 109,218.70/x
  3. Step 3: Cross multiply
    221,484.70x = 332,275.65 × 109,218.70
  4. Step 4: Simplify right side
    221,484.70x = 36,290,714,534.66
  5. Step 5: Solve for x
    x = 36,290,714,534.66/221,484.70
  6. Step 6: Final answer
    x = 163,852.02

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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.