Home / 427,820.70-590,399.52-234,225.18

Finding the Fourth Proportional to 427,820.70, 590,399.52 and 234,225.18

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Solution

The fourth proportional to 427,820.70, 590,399.52 and 234,225.18 is: 323,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,820.70 : 590,399.52 = 234,225.18 : x
  2. Step 2: Convert to fraction form
    427,820.70/590,399.52 = 234,225.18/x
  3. Step 3: Cross multiply
    427,820.70x = 590,399.52 × 234,225.18
  4. Step 4: Simplify right side
    427,820.70x = 138,286,433,843.91
  5. Step 5: Solve for x
    x = 138,286,433,843.91/427,820.70
  6. Step 6: Final answer
    x = 323,234.56

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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.