Home / 314,940.60-472,272.39-115,209.18

Finding the Fourth Proportional to 314,940.60, 472,272.39 and 115,209.18

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Solution

The fourth proportional to 314,940.60, 472,272.39 and 115,209.18 is: 172,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,940.60 : 472,272.39 = 115,209.18 : x
  2. Step 2: Convert to fraction form
    314,940.60/472,272.39 = 115,209.18/x
  3. Step 3: Cross multiply
    314,940.60x = 472,272.39 × 115,209.18
  4. Step 4: Simplify right side
    314,940.60x = 54,410,114,788.54
  5. Step 5: Solve for x
    x = 54,410,114,788.54/314,940.60
  6. Step 6: Final answer
    x = 172,763.10

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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.