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Finding the Fourth Proportional to 300,254.17, 413,874.35 and 236,490.97

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Solution

The fourth proportional to 300,254.17, 413,874.35 and 236,490.97 is: 325,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,254.17 : 413,874.35 = 236,490.97 : x
  2. Step 2: Convert to fraction form
    300,254.17/413,874.35 = 236,490.97/x
  3. Step 3: Cross multiply
    300,254.17x = 413,874.35 × 236,490.97
  4. Step 4: Simplify right side
    300,254.17x = 97,877,545,307.16
  5. Step 5: Solve for x
    x = 97,877,545,307.16/300,254.17
  6. Step 6: Final answer
    x = 325,982.30

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1.5x scale

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.