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Finding the Fourth Proportional to 294,908.40, 442,314 and 126,455.94

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Solution

The fourth proportional to 294,908.40, 442,314 and 126,455.94 is: 189,663.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,908.40 : 442,314 = 126,455.94 : x
  2. Step 2: Convert to fraction form
    294,908.40/442,314 = 126,455.94/x
  3. Step 3: Cross multiply
    294,908.40x = 442,314 × 126,455.94
  4. Step 4: Simplify right side
    294,908.40x = 55,933,232,645.16
  5. Step 5: Solve for x
    x = 55,933,232,645.16/294,908.40
  6. Step 6: Final answer
    x = 189,663.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.