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Finding the Fourth Proportional to 458,229.80, 632,340.51 and 254,289.62

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Solution

The fourth proportional to 458,229.80, 632,340.51 and 254,289.62 is: 350,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,229.80 : 632,340.51 = 254,289.62 : x
  2. Step 2: Convert to fraction form
    458,229.80/632,340.51 = 254,289.62/x
  3. Step 3: Cross multiply
    458,229.80x = 632,340.51 × 254,289.62
  4. Step 4: Simplify right side
    458,229.80x = 160,797,627,998.51
  5. Step 5: Solve for x
    x = 160,797,627,998.51/458,229.80
  6. Step 6: Final answer
    x = 350,910.46

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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.