Home / 455,178.44-682,549.40-215,092.51

Finding the Fourth Proportional to 455,178.44, 682,549.40 and 215,092.51

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Solution

The fourth proportional to 455,178.44, 682,549.40 and 215,092.51 is: 322,535.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,178.44 : 682,549.40 = 215,092.51 : x
  2. Step 2: Convert to fraction form
    455,178.44/682,549.40 = 215,092.51/x
  3. Step 3: Cross multiply
    455,178.44x = 682,549.40 × 215,092.51
  4. Step 4: Simplify right side
    455,178.44x = 146,811,262,476.35
  5. Step 5: Solve for x
    x = 146,811,262,476.35/455,178.44
  6. Step 6: Final answer
    x = 322,535.62

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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.