Home / 307,254.13-423,770.33-199,858.46

Finding the Fourth Proportional to 307,254.13, 423,770.33 and 199,858.46

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Solution

The fourth proportional to 307,254.13, 423,770.33 and 199,858.46 is: 275,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,254.13 : 423,770.33 = 199,858.46 : x
  2. Step 2: Convert to fraction form
    307,254.13/423,770.33 = 199,858.46/x
  3. Step 3: Cross multiply
    307,254.13x = 423,770.33 × 199,858.46
  4. Step 4: Simplify right side
    307,254.13x = 84,694,083,928.29
  5. Step 5: Solve for x
    x = 84,694,083,928.29/307,254.13
  6. Step 6: Final answer
    x = 275,648.32

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1.5x scale

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.