Home / 355,943.47-491,201.61-200,927.38

Finding the Fourth Proportional to 355,943.47, 491,201.61 and 200,927.38

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Solution

The fourth proportional to 355,943.47, 491,201.61 and 200,927.38 is: 277,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,943.47 : 491,201.61 = 200,927.38 : x
  2. Step 2: Convert to fraction form
    355,943.47/491,201.61 = 200,927.38/x
  3. Step 3: Cross multiply
    355,943.47x = 491,201.61 × 200,927.38
  4. Step 4: Simplify right side
    355,943.47x = 98,695,852,549.08
  5. Step 5: Solve for x
    x = 98,695,852,549.08/355,943.47
  6. Step 6: Final answer
    x = 277,279.57

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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.