Home / 356,513.25-534,771.09-90,273.64

Finding the Fourth Proportional to 356,513.25, 534,771.09 and 90,273.64

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Solution

The fourth proportional to 356,513.25, 534,771.09 and 90,273.64 is: 135,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,513.25 : 534,771.09 = 90,273.64 : x
  2. Step 2: Convert to fraction form
    356,513.25/534,771.09 = 90,273.64/x
  3. Step 3: Cross multiply
    356,513.25x = 534,771.09 × 90,273.64
  4. Step 4: Simplify right side
    356,513.25x = 48,275,732,861.07
  5. Step 5: Solve for x
    x = 48,275,732,861.07/356,513.25
  6. Step 6: Final answer
    x = 135,410.77

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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.