Home / 303,109.12-454,614.70-143,184.72

Finding the Fourth Proportional to 303,109.12, 454,614.70 and 143,184.72

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Solution

The fourth proportional to 303,109.12, 454,614.70 and 143,184.72 is: 214,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,109.12 : 454,614.70 = 143,184.72 : x
  2. Step 2: Convert to fraction form
    303,109.12/454,614.70 = 143,184.72/x
  3. Step 3: Cross multiply
    303,109.12x = 454,614.70 × 143,184.72
  4. Step 4: Simplify right side
    303,109.12x = 65,093,878,527.38
  5. Step 5: Solve for x
    x = 65,093,878,527.38/303,109.12
  6. Step 6: Final answer
    x = 214,753.94

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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.