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Finding the Fourth Proportional to 370,335.79, 511,062.91 and 200,570.59

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Solution

The fourth proportional to 370,335.79, 511,062.91 and 200,570.59 is: 276,787.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,335.79 : 511,062.91 = 200,570.59 : x
  2. Step 2: Convert to fraction form
    370,335.79/511,062.91 = 200,570.59/x
  3. Step 3: Cross multiply
    370,335.79x = 511,062.91 × 200,570.59
  4. Step 4: Simplify right side
    370,335.79x = 102,504,189,385.82
  5. Step 5: Solve for x
    x = 102,504,189,385.82/370,335.79
  6. Step 6: Final answer
    x = 276,787.15

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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.