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Finding the Fourth Proportional to 356,426.94, 534,647.16 and 116,540.94

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Solution

The fourth proportional to 356,426.94, 534,647.16 and 116,540.94 is: 174,813.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,426.94 : 534,647.16 = 116,540.94 : x
  2. Step 2: Convert to fraction form
    356,426.94/534,647.16 = 116,540.94/x
  3. Step 3: Cross multiply
    356,426.94x = 534,647.16 × 116,540.94
  4. Step 4: Simplify right side
    356,426.94x = 62,308,282,594.73
  5. Step 5: Solve for x
    x = 62,308,282,594.73/356,426.94
  6. Step 6: Final answer
    x = 174,813.62

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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.