Home / 810,165.47-1,215,310.23-241,503.09

Finding the Fourth Proportional to 810,165.47, 1,215,310.23 and 241,503.09

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Solution

The fourth proportional to 810,165.47, 1,215,310.23 and 241,503.09 is: 362,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,165.47 : 1,215,310.23 = 241,503.09 : x
  2. Step 2: Convert to fraction form
    810,165.47/1,215,310.23 = 241,503.09/x
  3. Step 3: Cross multiply
    810,165.47x = 1,215,310.23 × 241,503.09
  4. Step 4: Simplify right side
    810,165.47x = 293,501,181,550.38
  5. Step 5: Solve for x
    x = 293,501,181,550.38/810,165.47
  6. Step 6: Final answer
    x = 362,273.13

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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.