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Finding the Fourth Proportional to 239,832, 359,748 and 64,728

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Solution

The fourth proportional to 239,832, 359,748 and 64,728 is: 97,092

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,832 : 359,748 = 64,728 : x
  2. Step 2: Convert to fraction form
    239,832/359,748 = 64,728/x
  3. Step 3: Cross multiply
    239,832x = 359,748 × 64,728
  4. Step 4: Simplify right side
    239,832x = 23,285,768,544
  5. Step 5: Solve for x
    x = 23,285,768,544/239,832
  6. Step 6: Final answer
    x = 97,092

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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.