Home / 285,455.35-393,029.64-242,349.58

Finding the Fourth Proportional to 285,455.35, 393,029.64 and 242,349.58

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Solution

The fourth proportional to 285,455.35, 393,029.64 and 242,349.58 is: 333,679.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,455.35 : 393,029.64 = 242,349.58 : x
  2. Step 2: Convert to fraction form
    285,455.35/393,029.64 = 242,349.58/x
  3. Step 3: Cross multiply
    285,455.35x = 393,029.64 × 242,349.58
  4. Step 4: Simplify right side
    285,455.35x = 95,250,568,181.55
  5. Step 5: Solve for x
    x = 95,250,568,181.55/285,455.35
  6. Step 6: Final answer
    x = 333,679.39

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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.