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Finding the Fourth Proportional to 294,325.44, 441,376.80 and 125,838.72

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Solution

The fourth proportional to 294,325.44, 441,376.80 and 125,838.72 is: 188,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,325.44 : 441,376.80 = 125,838.72 : x
  2. Step 2: Convert to fraction form
    294,325.44/441,376.80 = 125,838.72/x
  3. Step 3: Cross multiply
    294,325.44x = 441,376.80 × 125,838.72
  4. Step 4: Simplify right side
    294,325.44x = 55,542,291,549.70
  5. Step 5: Solve for x
    x = 55,542,291,549.70/294,325.44
  6. Step 6: Final answer
    x = 188,710.47

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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.