Home / 331,779.24-457,711.22-210,855.69

Finding the Fourth Proportional to 331,779.24, 457,711.22 and 210,855.69

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Solution

The fourth proportional to 331,779.24, 457,711.22 and 210,855.69 is: 290,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,779.24 : 457,711.22 = 210,855.69 : x
  2. Step 2: Convert to fraction form
    331,779.24/457,711.22 = 210,855.69/x
  3. Step 3: Cross multiply
    331,779.24x = 457,711.22 × 210,855.69
  4. Step 4: Simplify right side
    331,779.24x = 96,511,015,640.98
  5. Step 5: Solve for x
    x = 96,511,015,640.98/331,779.24
  6. Step 6: Final answer
    x = 290,889.25

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1.5x scale

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.