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Finding the Fourth Proportional to 273,232.20, 409,848.30 and 95,720.70

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Solution

The fourth proportional to 273,232.20, 409,848.30 and 95,720.70 is: 143,581.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,232.20 : 409,848.30 = 95,720.70 : x
  2. Step 2: Convert to fraction form
    273,232.20/409,848.30 = 95,720.70/x
  3. Step 3: Cross multiply
    273,232.20x = 409,848.30 × 95,720.70
  4. Step 4: Simplify right side
    273,232.20x = 39,230,966,169.81
  5. Step 5: Solve for x
    x = 39,230,966,169.81/273,232.20
  6. Step 6: Final answer
    x = 143,581.05

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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.