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Finding the Fourth Proportional to 259,508.44, 358,127.94 and 144,786.25

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Solution

The fourth proportional to 259,508.44, 358,127.94 and 144,786.25 is: 199,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,508.44 : 358,127.94 = 144,786.25 : x
  2. Step 2: Convert to fraction form
    259,508.44/358,127.94 = 144,786.25/x
  3. Step 3: Cross multiply
    259,508.44x = 358,127.94 × 144,786.25
  4. Step 4: Simplify right side
    259,508.44x = 51,852,001,452.83
  5. Step 5: Solve for x
    x = 51,852,001,452.83/259,508.44
  6. Step 6: Final answer
    x = 199,808.54

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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.