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Finding the Fourth Proportional to 254,353.32, 351,101.82 and 218,398.92

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Solution

The fourth proportional to 254,353.32, 351,101.82 and 218,398.92 is: 301,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,353.32 : 351,101.82 = 218,398.92 : x
  2. Step 2: Convert to fraction form
    254,353.32/351,101.82 = 218,398.92/x
  3. Step 3: Cross multiply
    254,353.32x = 351,101.82 × 218,398.92
  4. Step 4: Simplify right side
    254,353.32x = 76,680,258,298.03
  5. Step 5: Solve for x
    x = 76,680,258,298.03/254,353.32
  6. Step 6: Final answer
    x = 301,471.43

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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.