Home / 285,062.40-393,427.85-164,180.16

Finding the Fourth Proportional to 285,062.40, 393,427.85 and 164,180.16

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Solution

The fourth proportional to 285,062.40, 393,427.85 and 164,180.16 is: 226,592.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,062.40 : 393,427.85 = 164,180.16 : x
  2. Step 2: Convert to fraction form
    285,062.40/393,427.85 = 164,180.16/x
  3. Step 3: Cross multiply
    285,062.40x = 393,427.85 × 164,180.16
  4. Step 4: Simplify right side
    285,062.40x = 64,593,046,540.56
  5. Step 5: Solve for x
    x = 64,593,046,540.56/285,062.40
  6. Step 6: Final answer
    x = 226,592.66

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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.