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Finding the Fourth Proportional to 221,525.40, 332,461.71 and 154,529.76

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Solution

The fourth proportional to 221,525.40, 332,461.71 and 154,529.76 is: 231,915.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,525.40 : 332,461.71 = 154,529.76 : x
  2. Step 2: Convert to fraction form
    221,525.40/332,461.71 = 154,529.76/x
  3. Step 3: Cross multiply
    221,525.40x = 332,461.71 × 154,529.76
  4. Step 4: Simplify right side
    221,525.40x = 51,375,228,255.49
  5. Step 5: Solve for x
    x = 51,375,228,255.49/221,525.40
  6. Step 6: Final answer
    x = 231,915.75

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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.