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Finding the Fourth Proportional to 221,807.62, 332,948.22 and 95,510.40

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Solution

The fourth proportional to 221,807.62, 332,948.22 and 95,510.40 is: 143,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,807.62 : 332,948.22 = 95,510.40 : x
  2. Step 2: Convert to fraction form
    221,807.62/332,948.22 = 95,510.40/x
  3. Step 3: Cross multiply
    221,807.62x = 332,948.22 × 95,510.40
  4. Step 4: Simplify right side
    221,807.62x = 31,800,017,671.49
  5. Step 5: Solve for x
    x = 31,800,017,671.49/221,807.62
  6. Step 6: Final answer
    x = 143,367.56

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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.