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Finding the Fourth Proportional to 293,441.94, 404,954.08 and 170,931.17

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Solution

The fourth proportional to 293,441.94, 404,954.08 and 170,931.17 is: 235,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,441.94 : 404,954.08 = 170,931.17 : x
  2. Step 2: Convert to fraction form
    293,441.94/404,954.08 = 170,931.17/x
  3. Step 3: Cross multiply
    293,441.94x = 404,954.08 × 170,931.17
  4. Step 4: Simplify right side
    293,441.94x = 69,219,273,836.02
  5. Step 5: Solve for x
    x = 69,219,273,836.02/293,441.94
  6. Step 6: Final answer
    x = 235,887.46

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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.