Home / 228,703.40-343,435.26-154,302.20

Finding the Fourth Proportional to 228,703.40, 343,435.26 and 154,302.20

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Solution

The fourth proportional to 228,703.40, 343,435.26 and 154,302.20 is: 231,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,703.40 : 343,435.26 = 154,302.20 : x
  2. Step 2: Convert to fraction form
    228,703.40/343,435.26 = 154,302.20/x
  3. Step 3: Cross multiply
    228,703.40x = 343,435.26 × 154,302.20
  4. Step 4: Simplify right side
    228,703.40x = 52,992,816,175.57
  5. Step 5: Solve for x
    x = 52,992,816,175.57/228,703.40
  6. Step 6: Final answer
    x = 231,709.79

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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.