Home / 228,286.08-314,934.18-137,588.44

Finding the Fourth Proportional to 228,286.08, 314,934.18 and 137,588.44

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Solution

The fourth proportional to 228,286.08, 314,934.18 and 137,588.44 is: 189,811.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,286.08 : 314,934.18 = 137,588.44 : x
  2. Step 2: Convert to fraction form
    228,286.08/314,934.18 = 137,588.44/x
  3. Step 3: Cross multiply
    228,286.08x = 314,934.18 × 137,588.44
  4. Step 4: Simplify right side
    228,286.08x = 43,331,302,528.88
  5. Step 5: Solve for x
    x = 43,331,302,528.88/228,286.08
  6. Step 6: Final answer
    x = 189,811.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.