Home / 370,540.76-511,291.08-209,394.52

Finding the Fourth Proportional to 370,540.76, 511,291.08 and 209,394.52

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Solution

The fourth proportional to 370,540.76, 511,291.08 and 209,394.52 is: 288,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,540.76 : 511,291.08 = 209,394.52 : x
  2. Step 2: Convert to fraction form
    370,540.76/511,291.08 = 209,394.52/x
  3. Step 3: Cross multiply
    370,540.76x = 511,291.08 × 209,394.52
  4. Step 4: Simplify right side
    370,540.76x = 107,061,550,276.88
  5. Step 5: Solve for x
    x = 107,061,550,276.88/370,540.76
  6. Step 6: Final answer
    x = 288,933.26

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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.