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Finding the Fourth Proportional to 251,788.42, 347,446.83 and 144,333.82

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Solution

The fourth proportional to 251,788.42, 347,446.83 and 144,333.82 is: 199,168.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,788.42 : 347,446.83 = 144,333.82 : x
  2. Step 2: Convert to fraction form
    251,788.42/347,446.83 = 144,333.82/x
  3. Step 3: Cross multiply
    251,788.42x = 347,446.83 × 144,333.82
  4. Step 4: Simplify right side
    251,788.42x = 50,148,328,220.79
  5. Step 5: Solve for x
    x = 50,148,328,220.79/251,788.42
  6. Step 6: Final answer
    x = 199,168.52

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1.5x scale

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.