Home / 355,936.02-491,296.77-205,139.22

Finding the Fourth Proportional to 355,936.02, 491,296.77 and 205,139.22

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Solution

The fourth proportional to 355,936.02, 491,296.77 and 205,139.22 is: 283,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,936.02 : 491,296.77 = 205,139.22 : x
  2. Step 2: Convert to fraction form
    355,936.02/491,296.77 = 205,139.22/x
  3. Step 3: Cross multiply
    355,936.02x = 491,296.77 × 205,139.22
  4. Step 4: Simplify right side
    355,936.02x = 100,784,236,186.32
  5. Step 5: Solve for x
    x = 100,784,236,186.32/355,936.02
  6. Step 6: Final answer
    x = 283,152.67

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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.