Home / 405,426.60-559,504.44-269,225.64

Finding the Fourth Proportional to 405,426.60, 559,504.44 and 269,225.64

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Solution

The fourth proportional to 405,426.60, 559,504.44 and 269,225.64 is: 371,541.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,426.60 : 559,504.44 = 269,225.64 : x
  2. Step 2: Convert to fraction form
    405,426.60/559,504.44 = 269,225.64/x
  3. Step 3: Cross multiply
    405,426.60x = 559,504.44 × 269,225.64
  4. Step 4: Simplify right side
    405,426.60x = 150,632,940,941.84
  5. Step 5: Solve for x
    x = 150,632,940,941.84/405,426.60
  6. Step 6: Final answer
    x = 371,541.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.