Home / 614,268.82-921,449.88-209,335.18

Finding the Fourth Proportional to 614,268.82, 921,449.88 and 209,335.18

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Solution

The fourth proportional to 614,268.82, 921,449.88 and 209,335.18 is: 314,018.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,268.82 : 921,449.88 = 209,335.18 : x
  2. Step 2: Convert to fraction form
    614,268.82/921,449.88 = 209,335.18/x
  3. Step 3: Cross multiply
    614,268.82x = 921,449.88 × 209,335.18
  4. Step 4: Simplify right side
    614,268.82x = 192,891,876,490.78
  5. Step 5: Solve for x
    x = 192,891,876,490.78/614,268.82
  6. Step 6: Final answer
    x = 314,018.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.