Home / 427,731.81-590,261.09-236,733.81

Finding the Fourth Proportional to 427,731.81, 590,261.09 and 236,733.81

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Solution

The fourth proportional to 427,731.81, 590,261.09 and 236,733.81 is: 326,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,731.81 : 590,261.09 = 236,733.81 : x
  2. Step 2: Convert to fraction form
    427,731.81/590,261.09 = 236,733.81/x
  3. Step 3: Cross multiply
    427,731.81x = 590,261.09 × 236,733.81
  4. Step 4: Simplify right side
    427,731.81x = 139,734,755,546.78
  5. Step 5: Solve for x
    x = 139,734,755,546.78/427,731.81
  6. Step 6: Final answer
    x = 326,687.78

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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.