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Finding the Fourth Proportional to 245,497.39, 338,672.01 and 159,450.28

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Solution

The fourth proportional to 245,497.39, 338,672.01 and 159,450.28 is: 219,967.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,497.39 : 338,672.01 = 159,450.28 : x
  2. Step 2: Convert to fraction form
    245,497.39/338,672.01 = 159,450.28/x
  3. Step 3: Cross multiply
    245,497.39x = 338,672.01 × 159,450.28
  4. Step 4: Simplify right side
    245,497.39x = 54,001,346,822.66
  5. Step 5: Solve for x
    x = 54,001,346,822.66/245,497.39
  6. Step 6: Final answer
    x = 219,967.09

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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.