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Finding the Fourth Proportional to 370,294.76, 511,006.79 and 200,528.89

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Solution

The fourth proportional to 370,294.76, 511,006.79 and 200,528.89 is: 276,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,294.76 : 511,006.79 = 200,528.89 : x
  2. Step 2: Convert to fraction form
    370,294.76/511,006.79 = 200,528.89/x
  3. Step 3: Cross multiply
    370,294.76x = 511,006.79 × 200,528.89
  4. Step 4: Simplify right side
    370,294.76x = 102,471,624,381.16
  5. Step 5: Solve for x
    x = 102,471,624,381.16/370,294.76
  6. Step 6: Final answer
    x = 276,729.88

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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.