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Finding the Fourth Proportional to 370,645.56, 511,493.40 and 200,882.52

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Solution

The fourth proportional to 370,645.56, 511,493.40 and 200,882.52 is: 277,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,645.56 : 511,493.40 = 200,882.52 : x
  2. Step 2: Convert to fraction form
    370,645.56/511,493.40 = 200,882.52/x
  3. Step 3: Cross multiply
    370,645.56x = 511,493.40 × 200,882.52
  4. Step 4: Simplify right side
    370,645.56x = 102,750,083,155.37
  5. Step 5: Solve for x
    x = 102,750,083,155.37/370,645.56
  6. Step 6: Final answer
    x = 277,219.25

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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.