Home / 209,556.29-314,331.36-51,784.74

Finding the Fourth Proportional to 209,556.29, 314,331.36 and 51,784.74

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Solution

The fourth proportional to 209,556.29, 314,331.36 and 51,784.74 is: 77,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,556.29 : 314,331.36 = 51,784.74 : x
  2. Step 2: Convert to fraction form
    209,556.29/314,331.36 = 51,784.74/x
  3. Step 3: Cross multiply
    209,556.29x = 314,331.36 × 51,784.74
  4. Step 4: Simplify right side
    209,556.29x = 16,277,568,586.96
  5. Step 5: Solve for x
    x = 16,277,568,586.96/209,556.29
  6. Step 6: Final answer
    x = 77,676.35

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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.