Home / 370,540.23-511,345.61-200,774.35

Finding the Fourth Proportional to 370,540.23, 511,345.61 and 200,774.35

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Solution

The fourth proportional to 370,540.23, 511,345.61 and 200,774.35 is: 277,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,540.23 : 511,345.61 = 200,774.35 : x
  2. Step 2: Convert to fraction form
    370,540.23/511,345.61 = 200,774.35/x
  3. Step 3: Cross multiply
    370,540.23x = 511,345.61 × 200,774.35
  4. Step 4: Simplify right side
    370,540.23x = 102,665,082,473.10
  5. Step 5: Solve for x
    x = 102,665,082,473.10/370,540.23
  6. Step 6: Final answer
    x = 277,068.65

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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.