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Finding the Fourth Proportional to 228,975.83, 343,393.72 and 158,352.34

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Solution

The fourth proportional to 228,975.83, 343,393.72 and 158,352.34 is: 237,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,975.83 : 343,393.72 = 158,352.34 : x
  2. Step 2: Convert to fraction form
    228,975.83/343,393.72 = 158,352.34/x
  3. Step 3: Cross multiply
    228,975.83x = 343,393.72 × 158,352.34
  4. Step 4: Simplify right side
    228,975.83x = 54,377,199,103.30
  5. Step 5: Solve for x
    x = 54,377,199,103.30/228,975.83
  6. Step 6: Final answer
    x = 237,480.08

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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.