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Finding the Fourth Proportional to 273,459.40, 410,189.10 and 218,163.40

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Solution

The fourth proportional to 273,459.40, 410,189.10 and 218,163.40 is: 327,245.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,459.40 : 410,189.10 = 218,163.40 : x
  2. Step 2: Convert to fraction form
    273,459.40/410,189.10 = 218,163.40/x
  3. Step 3: Cross multiply
    273,459.40x = 410,189.10 × 218,163.40
  4. Step 4: Simplify right side
    273,459.40x = 89,488,248,698.94
  5. Step 5: Solve for x
    x = 89,488,248,698.94/273,459.40
  6. Step 6: Final answer
    x = 327,245.10

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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.