Home / 285,372.24-393,808.86-158,045.10

Finding the Fourth Proportional to 285,372.24, 393,808.86 and 158,045.10

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Solution

The fourth proportional to 285,372.24, 393,808.86 and 158,045.10 is: 218,099.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,372.24 : 393,808.86 = 158,045.10 : x
  2. Step 2: Convert to fraction form
    285,372.24/393,808.86 = 158,045.10/x
  3. Step 3: Cross multiply
    285,372.24x = 393,808.86 × 158,045.10
  4. Step 4: Simplify right side
    285,372.24x = 62,239,560,659.59
  5. Step 5: Solve for x
    x = 62,239,560,659.59/285,372.24
  6. Step 6: Final answer
    x = 218,099.56

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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.