Home / 228,934.90-343,402.35-154,285.30

Finding the Fourth Proportional to 228,934.90, 343,402.35 and 154,285.30

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Solution

The fourth proportional to 228,934.90, 343,402.35 and 154,285.30 is: 231,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,934.90 : 343,402.35 = 154,285.30 : x
  2. Step 2: Convert to fraction form
    228,934.90/343,402.35 = 154,285.30/x
  3. Step 3: Cross multiply
    228,934.90x = 343,402.35 × 154,285.30
  4. Step 4: Simplify right side
    228,934.90x = 52,981,934,590.46
  5. Step 5: Solve for x
    x = 52,981,934,590.46/228,934.90
  6. Step 6: Final answer
    x = 231,427.95

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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.