Home / 355,945.48-491,204.36-200,929.38

Finding the Fourth Proportional to 355,945.48, 491,204.36 and 200,929.38

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Solution

The fourth proportional to 355,945.48, 491,204.36 and 200,929.38 is: 277,282.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,945.48 : 491,204.36 = 200,929.38 : x
  2. Step 2: Convert to fraction form
    355,945.48/491,204.36 = 200,929.38/x
  3. Step 3: Cross multiply
    355,945.48x = 491,204.36 × 200,929.38
  4. Step 4: Simplify right side
    355,945.48x = 98,697,387,508.10
  5. Step 5: Solve for x
    x = 98,697,387,508.10/355,945.48
  6. Step 6: Final answer
    x = 277,282.32

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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.