Home / 356,918.01-492,560.64-195,779.85

Finding the Fourth Proportional to 356,918.01, 492,560.64 and 195,779.85

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Solution

The fourth proportional to 356,918.01, 492,560.64 and 195,779.85 is: 270,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,918.01 : 492,560.64 = 195,779.85 : x
  2. Step 2: Convert to fraction form
    356,918.01/492,560.64 = 195,779.85/x
  3. Step 3: Cross multiply
    356,918.01x = 492,560.64 × 195,779.85
  4. Step 4: Simplify right side
    356,918.01x = 96,433,448,215.10
  5. Step 5: Solve for x
    x = 96,433,448,215.10/356,918.01
  6. Step 6: Final answer
    x = 270,183.76

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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.