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Finding the Fourth Proportional to 349,228.80, 481,766.40 and 236,044.80

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Solution

The fourth proportional to 349,228.80, 481,766.40 and 236,044.80 is: 325,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,228.80 : 481,766.40 = 236,044.80 : x
  2. Step 2: Convert to fraction form
    349,228.80/481,766.40 = 236,044.80/x
  3. Step 3: Cross multiply
    349,228.80x = 481,766.40 × 236,044.80
  4. Step 4: Simplify right side
    349,228.80x = 113,718,453,534.72
  5. Step 5: Solve for x
    x = 113,718,453,534.72/349,228.80
  6. Step 6: Final answer
    x = 325,627.36

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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.