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Finding the Fourth Proportional to 285,348.44, 392,884.56 and 242,238.56

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Solution

The fourth proportional to 285,348.44, 392,884.56 and 242,238.56 is: 333,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,348.44 : 392,884.56 = 242,238.56 : x
  2. Step 2: Convert to fraction form
    285,348.44/392,884.56 = 242,238.56/x
  3. Step 3: Cross multiply
    285,348.44x = 392,884.56 × 242,238.56
  4. Step 4: Simplify right side
    285,348.44x = 95,171,790,060.63
  5. Step 5: Solve for x
    x = 95,171,790,060.63/285,348.44
  6. Step 6: Final answer
    x = 333,528.33

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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.