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Finding the Fourth Proportional to 490,243.02, 676,609.02 and 299,366.52

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Solution

The fourth proportional to 490,243.02, 676,609.02 and 299,366.52 is: 413,170.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,243.02 : 676,609.02 = 299,366.52 : x
  2. Step 2: Convert to fraction form
    490,243.02/676,609.02 = 299,366.52/x
  3. Step 3: Cross multiply
    490,243.02x = 676,609.02 × 299,366.52
  4. Step 4: Simplify right side
    490,243.02x = 202,554,087,718.01
  5. Step 5: Solve for x
    x = 202,554,087,718.01/490,243.02
  6. Step 6: Final answer
    x = 413,170.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.