Home / 349,221-481,902.30-205,948.20

Finding the Fourth Proportional to 349,221, 481,902.30 and 205,948.20

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Solution

The fourth proportional to 349,221, 481,902.30 and 205,948.20 is: 284,195.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,221 : 481,902.30 = 205,948.20 : x
  2. Step 2: Convert to fraction form
    349,221/481,902.30 = 205,948.20/x
  3. Step 3: Cross multiply
    349,221x = 481,902.30 × 205,948.20
  4. Step 4: Simplify right side
    349,221x = 99,246,911,260.86
  5. Step 5: Solve for x
    x = 99,246,911,260.86/349,221
  6. Step 6: Final answer
    x = 284,195.14

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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.