Home / 314,914.28-472,322.73-115,187.96

Finding the Fourth Proportional to 314,914.28, 472,322.73 and 115,187.96

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Solution

The fourth proportional to 314,914.28, 472,322.73 and 115,187.96 is: 172,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,914.28 : 472,322.73 = 115,187.96 : x
  2. Step 2: Convert to fraction form
    314,914.28/472,322.73 = 115,187.96/x
  3. Step 3: Cross multiply
    314,914.28x = 472,322.73 × 115,187.96
  4. Step 4: Simplify right side
    314,914.28x = 54,405,891,730.33
  5. Step 5: Solve for x
    x = 54,405,891,730.33/314,914.28
  6. Step 6: Final answer
    x = 172,764.13

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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.