Home / 209,488.89-314,233.98-51,717.36

Finding the Fourth Proportional to 209,488.89, 314,233.98 and 51,717.36

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Solution

The fourth proportional to 209,488.89, 314,233.98 and 51,717.36 is: 77,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,488.89 : 314,233.98 = 51,717.36 : x
  2. Step 2: Convert to fraction form
    209,488.89/314,233.98 = 51,717.36/x
  3. Step 3: Cross multiply
    209,488.89x = 314,233.98 × 51,717.36
  4. Step 4: Simplify right side
    209,488.89x = 16,251,351,867.89
  5. Step 5: Solve for x
    x = 16,251,351,867.89/209,488.89
  6. Step 6: Final answer
    x = 77,576.20

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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.