Home / 427,819.05-590,397.27-234,223.53

Finding the Fourth Proportional to 427,819.05, 590,397.27 and 234,223.53

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Solution

The fourth proportional to 427,819.05, 590,397.27 and 234,223.53 is: 323,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,819.05 : 590,397.27 = 234,223.53 : x
  2. Step 2: Convert to fraction form
    427,819.05/590,397.27 = 234,223.53/x
  3. Step 3: Cross multiply
    427,819.05x = 590,397.27 × 234,223.53
  4. Step 4: Simplify right side
    427,819.05x = 138,284,932,681.76
  5. Step 5: Solve for x
    x = 138,284,932,681.76/427,819.05
  6. Step 6: Final answer
    x = 323,232.29

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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.