Home / 285,848.66-394,457.64-158,521.52

Finding the Fourth Proportional to 285,848.66, 394,457.64 and 158,521.52

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Solution

The fourth proportional to 285,848.66, 394,457.64 and 158,521.52 is: 218,752.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,848.66 : 394,457.64 = 158,521.52 : x
  2. Step 2: Convert to fraction form
    285,848.66/394,457.64 = 158,521.52/x
  3. Step 3: Cross multiply
    285,848.66x = 394,457.64 × 158,521.52
  4. Step 4: Simplify right side
    285,848.66x = 62,530,024,668.41
  5. Step 5: Solve for x
    x = 62,530,024,668.41/285,848.66
  6. Step 6: Final answer
    x = 218,752.20

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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.