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Finding the Fourth Proportional to 264,530.40, 396,212.40 and 229,538.40

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Solution

The fourth proportional to 264,530.40, 396,212.40 and 229,538.40 is: 343,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,530.40 : 396,212.40 = 229,538.40 : x
  2. Step 2: Convert to fraction form
    264,530.40/396,212.40 = 229,538.40/x
  3. Step 3: Cross multiply
    264,530.40x = 396,212.40 × 229,538.40
  4. Step 4: Simplify right side
    264,530.40x = 90,945,960,356.16
  5. Step 5: Solve for x
    x = 90,945,960,356.16/264,530.40
  6. Step 6: Final answer
    x = 343,801.55

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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.