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Finding the Fourth Proportional to 343,458.54, 474,207.37 and 214,593.21

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Solution

The fourth proportional to 343,458.54, 474,207.37 and 214,593.21 is: 296,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,458.54 : 474,207.37 = 214,593.21 : x
  2. Step 2: Convert to fraction form
    343,458.54/474,207.37 = 214,593.21/x
  3. Step 3: Cross multiply
    343,458.54x = 474,207.37 × 214,593.21
  4. Step 4: Simplify right side
    343,458.54x = 101,761,681,197.48
  5. Step 5: Solve for x
    x = 101,761,681,197.48/343,458.54
  6. Step 6: Final answer
    x = 296,285.20

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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.