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Finding the Fourth Proportional to 351,076.32, 526,668.96 and 114,363.84

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Solution

The fourth proportional to 351,076.32, 526,668.96 and 114,363.84 is: 171,563.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,076.32 : 526,668.96 = 114,363.84 : x
  2. Step 2: Convert to fraction form
    351,076.32/526,668.96 = 114,363.84/x
  3. Step 3: Cross multiply
    351,076.32x = 526,668.96 × 114,363.84
  4. Step 4: Simplify right side
    351,076.32x = 60,231,884,674.41
  5. Step 5: Solve for x
    x = 60,231,884,674.41/351,076.32
  6. Step 6: Final answer
    x = 171,563.51

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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.