Home / 427,869.90-590,442.21-234,274.09

Finding the Fourth Proportional to 427,869.90, 590,442.21 and 234,274.09

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Solution

The fourth proportional to 427,869.90, 590,442.21 and 234,274.09 is: 323,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,869.90 : 590,442.21 = 234,274.09 : x
  2. Step 2: Convert to fraction form
    427,869.90/590,442.21 = 234,274.09/x
  3. Step 3: Cross multiply
    427,869.90x = 590,442.21 × 234,274.09
  4. Step 4: Simplify right side
    427,869.90x = 138,325,311,445.34
  5. Step 5: Solve for x
    x = 138,325,311,445.34/427,869.90
  6. Step 6: Final answer
    x = 323,288.25

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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.