Home / 209,729.88-314,612.96-57,927

Finding the Fourth Proportional to 209,729.88, 314,612.96 and 57,927

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Solution

The fourth proportional to 209,729.88, 314,612.96 and 57,927 is: 86,895.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,729.88 : 314,612.96 = 57,927 : x
  2. Step 2: Convert to fraction form
    209,729.88/314,612.96 = 57,927/x
  3. Step 3: Cross multiply
    209,729.88x = 314,612.96 × 57,927
  4. Step 4: Simplify right side
    209,729.88x = 18,224,584,933.92
  5. Step 5: Solve for x
    x = 18,224,584,933.92/209,729.88
  6. Step 6: Final answer
    x = 86,895.51

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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.