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Finding the Fourth Proportional to 426,033.60, 587,916.54 and 235,046.94

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Solution

The fourth proportional to 426,033.60, 587,916.54 and 235,046.94 is: 324,359.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,033.60 : 587,916.54 = 235,046.94 : x
  2. Step 2: Convert to fraction form
    426,033.60/587,916.54 = 235,046.94/x
  3. Step 3: Cross multiply
    426,033.60x = 587,916.54 × 235,046.94
  4. Step 4: Simplify right side
    426,033.60x = 138,187,983,702.39
  5. Step 5: Solve for x
    x = 138,187,983,702.39/426,033.60
  6. Step 6: Final answer
    x = 324,359.35

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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.