Home / 427,908.21-590,531.78-236,921.60

Finding the Fourth Proportional to 427,908.21, 590,531.78 and 236,921.60

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Solution

The fourth proportional to 427,908.21, 590,531.78 and 236,921.60 is: 326,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,908.21 : 590,531.78 = 236,921.60 : x
  2. Step 2: Convert to fraction form
    427,908.21/590,531.78 = 236,921.60/x
  3. Step 3: Cross multiply
    427,908.21x = 590,531.78 × 236,921.60
  4. Step 4: Simplify right side
    427,908.21x = 139,909,734,168.45
  5. Step 5: Solve for x
    x = 139,909,734,168.45/427,908.21
  6. Step 6: Final answer
    x = 326,962.02

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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.