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Finding the Fourth Proportional to 216,000.48, 324,048.06 and 66,252

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Solution

The fourth proportional to 216,000.48, 324,048.06 and 66,252 is: 99,392.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,000.48 : 324,048.06 = 66,252 : x
  2. Step 2: Convert to fraction form
    216,000.48/324,048.06 = 66,252/x
  3. Step 3: Cross multiply
    216,000.48x = 324,048.06 × 66,252
  4. Step 4: Simplify right side
    216,000.48x = 21,468,832,071.12
  5. Step 5: Solve for x
    x = 21,468,832,071.12/216,000.48
  6. Step 6: Final answer
    x = 99,392.52

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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.