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Finding the Fourth Proportional to 269,364.20, 403,608.90 and 169,345.40

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Solution

The fourth proportional to 269,364.20, 403,608.90 and 169,345.40 is: 253,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,364.20 : 403,608.90 = 169,345.40 : x
  2. Step 2: Convert to fraction form
    269,364.20/403,608.90 = 169,345.40/x
  3. Step 3: Cross multiply
    269,364.20x = 403,608.90 × 169,345.40
  4. Step 4: Simplify right side
    269,364.20x = 68,349,310,614.06
  5. Step 5: Solve for x
    x = 68,349,310,614.06/269,364.20
  6. Step 6: Final answer
    x = 253,743.11

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1.5x scale

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.