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Finding the Fourth Proportional to 235,394.76, 352,981.02 and 85,529.32

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Solution

The fourth proportional to 235,394.76, 352,981.02 and 85,529.32 is: 128,253.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,394.76 : 352,981.02 = 85,529.32 : x
  2. Step 2: Convert to fraction form
    235,394.76/352,981.02 = 85,529.32/x
  3. Step 3: Cross multiply
    235,394.76x = 352,981.02 × 85,529.32
  4. Step 4: Simplify right side
    235,394.76x = 30,190,226,613.51
  5. Step 5: Solve for x
    x = 30,190,226,613.51/235,394.76
  6. Step 6: Final answer
    x = 128,253.61

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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.