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Finding the Fourth Proportional to 256,324.54, 351,158.78 and 246,740.89

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Solution

The fourth proportional to 256,324.54, 351,158.78 and 246,740.89 is: 338,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,324.54 : 351,158.78 = 246,740.89 : x
  2. Step 2: Convert to fraction form
    256,324.54/351,158.78 = 246,740.89/x
  3. Step 3: Cross multiply
    256,324.54x = 351,158.78 × 246,740.89
  4. Step 4: Simplify right side
    256,324.54x = 86,645,229,908.51
  5. Step 5: Solve for x
    x = 86,645,229,908.51/256,324.54
  6. Step 6: Final answer
    x = 338,029.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.