Home / 427,813.43-590,389.51-234,217.90

Finding the Fourth Proportional to 427,813.43, 590,389.51 and 234,217.90

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Solution

The fourth proportional to 427,813.43, 590,389.51 and 234,217.90 is: 323,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,813.43 : 590,389.51 = 234,217.90 : x
  2. Step 2: Convert to fraction form
    427,813.43/590,389.51 = 234,217.90/x
  3. Step 3: Cross multiply
    427,813.43x = 590,389.51 × 234,217.90
  4. Step 4: Simplify right side
    427,813.43x = 138,279,788,484.89
  5. Step 5: Solve for x
    x = 138,279,788,484.89/427,813.43
  6. Step 6: Final answer
    x = 323,224.51

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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.