Home / 285,058.28-393,259.92-164,170.64

Finding the Fourth Proportional to 285,058.28, 393,259.92 and 164,170.64

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Solution

The fourth proportional to 285,058.28, 393,259.92 and 164,170.64 is: 226,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,058.28 : 393,259.92 = 164,170.64 : x
  2. Step 2: Convert to fraction form
    285,058.28/393,259.92 = 164,170.64/x
  3. Step 3: Cross multiply
    285,058.28x = 393,259.92 × 164,170.64
  4. Step 4: Simplify right side
    285,058.28x = 64,561,732,752.75
  5. Step 5: Solve for x
    x = 64,561,732,752.75/285,058.28
  6. Step 6: Final answer
    x = 226,486.08

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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.