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Finding the Fourth Proportional to 299,964.38, 447,300.88 and 297,264.12

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Solution

The fourth proportional to 299,964.38, 447,300.88 and 297,264.12 is: 443,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,964.38 : 447,300.88 = 297,264.12 : x
  2. Step 2: Convert to fraction form
    299,964.38/447,300.88 = 297,264.12/x
  3. Step 3: Cross multiply
    299,964.38x = 447,300.88 × 297,264.12
  4. Step 4: Simplify right side
    299,964.38x = 132,966,502,468.43
  5. Step 5: Solve for x
    x = 132,966,502,468.43/299,964.38
  6. Step 6: Final answer
    x = 443,274.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.