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Finding the Fourth Proportional to 331,522.40, 497,283.60 and 225,768.80

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Solution

The fourth proportional to 331,522.40, 497,283.60 and 225,768.80 is: 338,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,522.40 : 497,283.60 = 225,768.80 : x
  2. Step 2: Convert to fraction form
    331,522.40/497,283.60 = 225,768.80/x
  3. Step 3: Cross multiply
    331,522.40x = 497,283.60 × 225,768.80
  4. Step 4: Simplify right side
    331,522.40x = 112,271,121,631.68
  5. Step 5: Solve for x
    x = 112,271,121,631.68/331,522.40
  6. Step 6: Final answer
    x = 338,653.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.