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Finding the Fourth Proportional to 370,510.80, 511,305.39 and 200,744.79

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Solution

The fourth proportional to 370,510.80, 511,305.39 and 200,744.79 is: 277,028.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,510.80 : 511,305.39 = 200,744.79 : x
  2. Step 2: Convert to fraction form
    370,510.80/511,305.39 = 200,744.79/x
  3. Step 3: Cross multiply
    370,510.80x = 511,305.39 × 200,744.79
  4. Step 4: Simplify right side
    370,510.80x = 102,641,893,141.42
  5. Step 5: Solve for x
    x = 102,641,893,141.42/370,510.80
  6. Step 6: Final answer
    x = 277,028.07

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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.