Home / 209,446.20-313,823.70-178,342.20

Finding the Fourth Proportional to 209,446.20, 313,823.70 and 178,342.20

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Solution

The fourth proportional to 209,446.20, 313,823.70 and 178,342.20 is: 267,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,446.20 : 313,823.70 = 178,342.20 : x
  2. Step 2: Convert to fraction form
    209,446.20/313,823.70 = 178,342.20/x
  3. Step 3: Cross multiply
    209,446.20x = 313,823.70 × 178,342.20
  4. Step 4: Simplify right side
    209,446.20x = 55,968,009,070.14
  5. Step 5: Solve for x
    x = 55,968,009,070.14/209,446.20
  6. Step 6: Final answer
    x = 267,219.02

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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.