Home / 216,077.56-324,092.06-82,864.35

Finding the Fourth Proportional to 216,077.56, 324,092.06 and 82,864.35

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Solution

The fourth proportional to 216,077.56, 324,092.06 and 82,864.35 is: 124,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,077.56 : 324,092.06 = 82,864.35 : x
  2. Step 2: Convert to fraction form
    216,077.56/324,092.06 = 82,864.35/x
  3. Step 3: Cross multiply
    216,077.56x = 324,092.06 × 82,864.35
  4. Step 4: Simplify right side
    216,077.56x = 26,855,677,477.74
  5. Step 5: Solve for x
    x = 26,855,677,477.74/216,077.56
  6. Step 6: Final answer
    x = 124,287.21

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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.