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Finding the Fourth Proportional to 270,529.40, 405,794.10 and 263,617.40

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Solution

The fourth proportional to 270,529.40, 405,794.10 and 263,617.40 is: 395,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,529.40 : 405,794.10 = 263,617.40 : x
  2. Step 2: Convert to fraction form
    270,529.40/405,794.10 = 263,617.40/x
  3. Step 3: Cross multiply
    270,529.40x = 405,794.10 × 263,617.40
  4. Step 4: Simplify right side
    270,529.40x = 106,974,385,577.34
  5. Step 5: Solve for x
    x = 106,974,385,577.34/270,529.40
  6. Step 6: Final answer
    x = 395,426.10

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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.