Home / 209,633.66-314,188.04-165,084.47

Finding the Fourth Proportional to 209,633.66, 314,188.04 and 165,084.47

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Solution

The fourth proportional to 209,633.66, 314,188.04 and 165,084.47 is: 247,420.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,633.66 : 314,188.04 = 165,084.47 : x
  2. Step 2: Convert to fraction form
    209,633.66/314,188.04 = 165,084.47/x
  3. Step 3: Cross multiply
    209,633.66x = 314,188.04 × 165,084.47
  4. Step 4: Simplify right side
    209,633.66x = 51,867,563,667.38
  5. Step 5: Solve for x
    x = 51,867,563,667.38/209,633.66
  6. Step 6: Final answer
    x = 247,420.02

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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.