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Finding the Fourth Proportional to 327,161.83, 490,742.71 and 90,498.35

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Solution

The fourth proportional to 327,161.83, 490,742.71 and 90,498.35 is: 135,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,161.83 : 490,742.71 = 90,498.35 : x
  2. Step 2: Convert to fraction form
    327,161.83/490,742.71 = 90,498.35/x
  3. Step 3: Cross multiply
    327,161.83x = 490,742.71 × 90,498.35
  4. Step 4: Simplify right side
    327,161.83x = 44,411,405,529.53
  5. Step 5: Solve for x
    x = 44,411,405,529.53/327,161.83
  6. Step 6: Final answer
    x = 135,747.52

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1.5x scale

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.