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Finding the Fourth Proportional to 370,016.95, 510,623.43 and 200,251.08

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Solution

The fourth proportional to 370,016.95, 510,623.43 and 200,251.08 is: 276,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,016.95 : 510,623.43 = 200,251.08 : x
  2. Step 2: Convert to fraction form
    370,016.95/510,623.43 = 200,251.08/x
  3. Step 3: Cross multiply
    370,016.95x = 510,623.43 × 200,251.08
  4. Step 4: Simplify right side
    370,016.95x = 102,252,893,330.80
  5. Step 5: Solve for x
    x = 102,252,893,330.80/370,016.95
  6. Step 6: Final answer
    x = 276,346.51

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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.