Home / 285,456.35-393,031.02-242,350.58

Finding the Fourth Proportional to 285,456.35, 393,031.02 and 242,350.58

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Solution

The fourth proportional to 285,456.35, 393,031.02 and 242,350.58 is: 333,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,456.35 : 393,031.02 = 242,350.58 : x
  2. Step 2: Convert to fraction form
    285,456.35/393,031.02 = 242,350.58/x
  3. Step 3: Cross multiply
    285,456.35x = 393,031.02 × 242,350.58
  4. Step 4: Simplify right side
    285,456.35x = 95,251,295,654.99
  5. Step 5: Solve for x
    x = 95,251,295,654.99/285,456.35
  6. Step 6: Final answer
    x = 333,680.77

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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.