Home / 289,218.20-433,827.30-131,754.20

Finding the Fourth Proportional to 289,218.20, 433,827.30 and 131,754.20

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Solution

The fourth proportional to 289,218.20, 433,827.30 and 131,754.20 is: 197,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,218.20 : 433,827.30 = 131,754.20 : x
  2. Step 2: Convert to fraction form
    289,218.20/433,827.30 = 131,754.20/x
  3. Step 3: Cross multiply
    289,218.20x = 433,827.30 × 131,754.20
  4. Step 4: Simplify right side
    289,218.20x = 57,158,568,849.66
  5. Step 5: Solve for x
    x = 57,158,568,849.66/289,218.20
  6. Step 6: Final answer
    x = 197,631.30

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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.