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Finding the Fourth Proportional to 272,900.58, 409,411.08 and 83,375.73

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Solution

The fourth proportional to 272,900.58, 409,411.08 and 83,375.73 is: 125,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,900.58 : 409,411.08 = 83,375.73 : x
  2. Step 2: Convert to fraction form
    272,900.58/409,411.08 = 83,375.73/x
  3. Step 3: Cross multiply
    272,900.58x = 409,411.08 × 83,375.73
  4. Step 4: Simplify right side
    272,900.58x = 34,134,946,443.49
  5. Step 5: Solve for x
    x = 34,134,946,443.49/272,900.58
  6. Step 6: Final answer
    x = 125,081.99

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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.