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Finding the Fourth Proportional to 327,483.67, 491,225.47 and 90,826.34

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Solution

The fourth proportional to 327,483.67, 491,225.47 and 90,826.34 is: 136,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,483.67 : 491,225.47 = 90,826.34 : x
  2. Step 2: Convert to fraction form
    327,483.67/491,225.47 = 90,826.34/x
  3. Step 3: Cross multiply
    327,483.67x = 491,225.47 × 90,826.34
  4. Step 4: Simplify right side
    327,483.67x = 44,616,211,554.88
  5. Step 5: Solve for x
    x = 44,616,211,554.88/327,483.67
  6. Step 6: Final answer
    x = 136,239.50

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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.