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Finding the Fourth Proportional to 228,322, 315,162.08 and 132,908.88

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Solution

The fourth proportional to 228,322, 315,162.08 and 132,908.88 is: 183,459.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,322 : 315,162.08 = 132,908.88 : x
  2. Step 2: Convert to fraction form
    228,322/315,162.08 = 132,908.88/x
  3. Step 3: Cross multiply
    228,322x = 315,162.08 × 132,908.88
  4. Step 4: Simplify right side
    228,322x = 41,887,839,071.27
  5. Step 5: Solve for x
    x = 41,887,839,071.27/228,322
  6. Step 6: Final answer
    x = 183,459.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.