Home / 355,846.01-491,063.04-202,879.33

Finding the Fourth Proportional to 355,846.01, 491,063.04 and 202,879.33

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Solution

The fourth proportional to 355,846.01, 491,063.04 and 202,879.33 is: 279,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,846.01 : 491,063.04 = 202,879.33 : x
  2. Step 2: Convert to fraction form
    355,846.01/491,063.04 = 202,879.33/x
  3. Step 3: Cross multiply
    355,846.01x = 491,063.04 × 202,879.33
  4. Step 4: Simplify right side
    355,846.01x = 99,626,539,315.31
  5. Step 5: Solve for x
    x = 99,626,539,315.31/355,846.01
  6. Step 6: Final answer
    x = 279,970.94

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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.