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Finding the Fourth Proportional to 293,426.16, 404,928.36 and 159,290.16

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Solution

The fourth proportional to 293,426.16, 404,928.36 and 159,290.16 is: 219,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,426.16 : 404,928.36 = 159,290.16 : x
  2. Step 2: Convert to fraction form
    293,426.16/404,928.36 = 159,290.16/x
  3. Step 3: Cross multiply
    293,426.16x = 404,928.36 × 159,290.16
  4. Step 4: Simplify right side
    293,426.16x = 64,501,103,252.94
  5. Step 5: Solve for x
    x = 64,501,103,252.94/293,426.16
  6. Step 6: Final answer
    x = 219,820.56

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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.