Home / 209,972.96-314,960.59-52,201.41

Finding the Fourth Proportional to 209,972.96, 314,960.59 and 52,201.41

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Solution

The fourth proportional to 209,972.96, 314,960.59 and 52,201.41 is: 78,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,972.96 : 314,960.59 = 52,201.41 : x
  2. Step 2: Convert to fraction form
    209,972.96/314,960.59 = 52,201.41/x
  3. Step 3: Cross multiply
    209,972.96x = 314,960.59 × 52,201.41
  4. Step 4: Simplify right side
    209,972.96x = 16,441,386,892.43
  5. Step 5: Solve for x
    x = 16,441,386,892.43/209,972.96
  6. Step 6: Final answer
    x = 78,302.40

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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.