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Finding the Fourth Proportional to 338,724, 467,512.02 and 202,788.29

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Solution

The fourth proportional to 338,724, 467,512.02 and 202,788.29 is: 279,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,724 : 467,512.02 = 202,788.29 : x
  2. Step 2: Convert to fraction form
    338,724/467,512.02 = 202,788.29/x
  3. Step 3: Cross multiply
    338,724x = 467,512.02 × 202,788.29
  4. Step 4: Simplify right side
    338,724x = 94,805,964,259.03
  5. Step 5: Solve for x
    x = 94,805,964,259.03/338,724
  6. Step 6: Final answer
    x = 279,891.49

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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.