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Finding the Fourth Proportional to 254,872.22, 351,685.11 and 145,959.62

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Solution

The fourth proportional to 254,872.22, 351,685.11 and 145,959.62 is: 201,402.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,872.22 : 351,685.11 = 145,959.62 : x
  2. Step 2: Convert to fraction form
    254,872.22/351,685.11 = 145,959.62/x
  3. Step 3: Cross multiply
    254,872.22x = 351,685.11 × 145,959.62
  4. Step 4: Simplify right side
    254,872.22x = 51,331,823,256.83
  5. Step 5: Solve for x
    x = 51,331,823,256.83/254,872.22
  6. Step 6: Final answer
    x = 201,402.19

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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.