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Finding the Fourth Proportional to 370,397.27, 511,148.27 and 200,631.40

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Solution

The fourth proportional to 370,397.27, 511,148.27 and 200,631.40 is: 276,871.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,397.27 : 511,148.27 = 200,631.40 : x
  2. Step 2: Convert to fraction form
    370,397.27/511,148.27 = 200,631.40/x
  3. Step 3: Cross multiply
    370,397.27x = 511,148.27 × 200,631.40
  4. Step 4: Simplify right side
    370,397.27x = 102,552,392,241.39
  5. Step 5: Solve for x
    x = 102,552,392,241.39/370,397.27
  6. Step 6: Final answer
    x = 276,871.35

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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.