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Finding the Fourth Proportional to 239,904, 359,856 and 64,800

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Solution

The fourth proportional to 239,904, 359,856 and 64,800 is: 97,200

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,904 : 359,856 = 64,800 : x
  2. Step 2: Convert to fraction form
    239,904/359,856 = 64,800/x
  3. Step 3: Cross multiply
    239,904x = 359,856 × 64,800
  4. Step 4: Simplify right side
    239,904x = 23,318,668,800
  5. Step 5: Solve for x
    x = 23,318,668,800/239,904
  6. Step 6: Final answer
    x = 97,200

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.