Home / 355,811.06-491,014.91-202,844.39

Finding the Fourth Proportional to 355,811.06, 491,014.91 and 202,844.39

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Solution

The fourth proportional to 355,811.06, 491,014.91 and 202,844.39 is: 279,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,811.06 : 491,014.91 = 202,844.39 : x
  2. Step 2: Convert to fraction form
    355,811.06/491,014.91 = 202,844.39/x
  3. Step 3: Cross multiply
    355,811.06x = 491,014.91 × 202,844.39
  4. Step 4: Simplify right side
    355,811.06x = 99,599,617,951.89
  5. Step 5: Solve for x
    x = 99,599,617,951.89/355,811.06
  6. Step 6: Final answer
    x = 279,922.77

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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.