Home / 290,984.73-401,555.05-163,660.32

Finding the Fourth Proportional to 290,984.73, 401,555.05 and 163,660.32

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Solution

The fourth proportional to 290,984.73, 401,555.05 and 163,660.32 is: 225,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,984.73 : 401,555.05 = 163,660.32 : x
  2. Step 2: Convert to fraction form
    290,984.73/401,555.05 = 163,660.32/x
  3. Step 3: Cross multiply
    290,984.73x = 401,555.05 × 163,660.32
  4. Step 4: Simplify right side
    290,984.73x = 65,718,625,972.84
  5. Step 5: Solve for x
    x = 65,718,625,972.84/290,984.73
  6. Step 6: Final answer
    x = 225,849.06

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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.