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Finding the Fourth Proportional to 245,159, 338,094.78 and 159,028.28

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Solution

The fourth proportional to 245,159, 338,094.78 and 159,028.28 is: 219,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,159 : 338,094.78 = 159,028.28 : x
  2. Step 2: Convert to fraction form
    245,159/338,094.78 = 159,028.28/x
  3. Step 3: Cross multiply
    245,159x = 338,094.78 × 159,028.28
  4. Step 4: Simplify right side
    245,159x = 53,766,631,340.38
  5. Step 5: Solve for x
    x = 53,766,631,340.38/245,159
  6. Step 6: Final answer
    x = 219,313.31

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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.