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Finding the Fourth Proportional to 216,650.12, 324,855.12 and 88,656.32

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Solution

The fourth proportional to 216,650.12, 324,855.12 and 88,656.32 is: 132,935.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,650.12 : 324,855.12 = 88,656.32 : x
  2. Step 2: Convert to fraction form
    216,650.12/324,855.12 = 88,656.32/x
  3. Step 3: Cross multiply
    216,650.12x = 324,855.12 × 88,656.32
  4. Step 4: Simplify right side
    216,650.12x = 28,800,459,472.36
  5. Step 5: Solve for x
    x = 28,800,459,472.36/216,650.12
  6. Step 6: Final answer
    x = 132,935.35

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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.