Home / 356,286.87-534,433.77-285,032.50

Finding the Fourth Proportional to 356,286.87, 534,433.77 and 285,032.50

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Solution

The fourth proportional to 356,286.87, 534,433.77 and 285,032.50 is: 427,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,286.87 : 534,433.77 = 285,032.50 : x
  2. Step 2: Convert to fraction form
    356,286.87/534,433.77 = 285,032.50/x
  3. Step 3: Cross multiply
    356,286.87x = 534,433.77 × 285,032.50
  4. Step 4: Simplify right side
    356,286.87x = 152,330,992,211.44
  5. Step 5: Solve for x
    x = 152,330,992,211.44/356,286.87
  6. Step 6: Final answer
    x = 427,551.52

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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.