Home / 285,621.48-394,113.06-164,767.32

Finding the Fourth Proportional to 285,621.48, 394,113.06 and 164,767.32

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Solution

The fourth proportional to 285,621.48, 394,113.06 and 164,767.32 is: 227,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,621.48 : 394,113.06 = 164,767.32 : x
  2. Step 2: Convert to fraction form
    285,621.48/394,113.06 = 164,767.32/x
  3. Step 3: Cross multiply
    285,621.48x = 394,113.06 × 164,767.32
  4. Step 4: Simplify right side
    285,621.48x = 64,936,952,673.20
  5. Step 5: Solve for x
    x = 64,936,952,673.20/285,621.48
  6. Step 6: Final answer
    x = 227,353.18

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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.