Home / 427,820.05-590,398.65-234,224.53

Finding the Fourth Proportional to 427,820.05, 590,398.65 and 234,224.53

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Solution

The fourth proportional to 427,820.05, 590,398.65 and 234,224.53 is: 323,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,820.05 : 590,398.65 = 234,224.53 : x
  2. Step 2: Convert to fraction form
    427,820.05/590,398.65 = 234,224.53/x
  3. Step 3: Cross multiply
    427,820.05x = 590,398.65 × 234,224.53
  4. Step 4: Simplify right side
    427,820.05x = 138,285,846,308.88
  5. Step 5: Solve for x
    x = 138,285,846,308.88/427,820.05
  6. Step 6: Final answer
    x = 323,233.67

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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.