Home / 209,703.55-314,293.02-165,154.36

Finding the Fourth Proportional to 209,703.55, 314,293.02 and 165,154.36

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Solution

The fourth proportional to 209,703.55, 314,293.02 and 165,154.36 is: 247,524.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,703.55 : 314,293.02 = 165,154.36 : x
  2. Step 2: Convert to fraction form
    209,703.55/314,293.02 = 165,154.36/x
  3. Step 3: Cross multiply
    209,703.55x = 314,293.02 × 165,154.36
  4. Step 4: Simplify right side
    209,703.55x = 51,906,862,570.57
  5. Step 5: Solve for x
    x = 51,906,862,570.57/209,703.55
  6. Step 6: Final answer
    x = 247,524.96

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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.