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Finding the Fourth Proportional to 370,732.68, 511,613.82 and 200,968.02

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Solution

The fourth proportional to 370,732.68, 511,613.82 and 200,968.02 is: 277,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,732.68 : 511,613.82 = 200,968.02 : x
  2. Step 2: Convert to fraction form
    370,732.68/511,613.82 = 200,968.02/x
  3. Step 3: Cross multiply
    370,732.68x = 511,613.82 × 200,968.02
  4. Step 4: Simplify right side
    370,732.68x = 102,818,016,410.04
  5. Step 5: Solve for x
    x = 102,818,016,410.04/370,732.68
  6. Step 6: Final answer
    x = 277,337.34

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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.