Home / 356,379.37-491,782.86-195,206.36

Finding the Fourth Proportional to 356,379.37, 491,782.86 and 195,206.36

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Solution

The fourth proportional to 356,379.37, 491,782.86 and 195,206.36 is: 269,373.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,379.37 : 491,782.86 = 195,206.36 : x
  2. Step 2: Convert to fraction form
    356,379.37/491,782.86 = 195,206.36/x
  3. Step 3: Cross multiply
    356,379.37x = 491,782.86 × 195,206.36
  4. Step 4: Simplify right side
    356,379.37x = 95,999,139,552.08
  5. Step 5: Solve for x
    x = 95,999,139,552.08/356,379.37
  6. Step 6: Final answer
    x = 269,373.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.