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Finding the Fourth Proportional to 264,713.10, 396,486.45 and 235,164.30

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Solution

The fourth proportional to 264,713.10, 396,486.45 and 235,164.30 is: 352,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,713.10 : 396,486.45 = 235,164.30 : x
  2. Step 2: Convert to fraction form
    264,713.10/396,486.45 = 235,164.30/x
  3. Step 3: Cross multiply
    264,713.10x = 396,486.45 × 235,164.30
  4. Step 4: Simplify right side
    264,713.10x = 93,239,458,473.74
  5. Step 5: Solve for x
    x = 93,239,458,473.74/264,713.10
  6. Step 6: Final answer
    x = 352,228.35

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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.