Home / 370,521.12-511,319.28-200,755.25

Finding the Fourth Proportional to 370,521.12, 511,319.28 and 200,755.25

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Solution

The fourth proportional to 370,521.12, 511,319.28 and 200,755.25 is: 277,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,521.12 : 511,319.28 = 200,755.25 : x
  2. Step 2: Convert to fraction form
    370,521.12/511,319.28 = 200,755.25/x
  3. Step 3: Cross multiply
    370,521.12x = 511,319.28 × 200,755.25
  4. Step 4: Simplify right side
    370,521.12x = 102,650,027,329.62
  5. Step 5: Solve for x
    x = 102,650,027,329.62/370,521.12
  6. Step 6: Final answer
    x = 277,042.31

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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.