Home / 205,836.56-308,711.64-58,058

Finding the Fourth Proportional to 205,836.56, 308,711.64 and 58,058

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Solution

The fourth proportional to 205,836.56, 308,711.64 and 58,058 is: 87,074.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,836.56 : 308,711.64 = 58,058 : x
  2. Step 2: Convert to fraction form
    205,836.56/308,711.64 = 58,058/x
  3. Step 3: Cross multiply
    205,836.56x = 308,711.64 × 58,058
  4. Step 4: Simplify right side
    205,836.56x = 17,923,180,395.12
  5. Step 5: Solve for x
    x = 17,923,180,395.12/205,836.56
  6. Step 6: Final answer
    x = 87,074.82

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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.