Home / 209,652.50-314,216.21-165,103.31

Finding the Fourth Proportional to 209,652.50, 314,216.21 and 165,103.31

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Solution

The fourth proportional to 209,652.50, 314,216.21 and 165,103.31 is: 247,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,652.50 : 314,216.21 = 165,103.31 : x
  2. Step 2: Convert to fraction form
    209,652.50/314,216.21 = 165,103.31/x
  3. Step 3: Cross multiply
    209,652.50x = 314,216.21 × 165,103.31
  4. Step 4: Simplify right side
    209,652.50x = 51,878,137,524.95
  5. Step 5: Solve for x
    x = 51,878,137,524.95/209,652.50
  6. Step 6: Final answer
    x = 247,448.22

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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.