Home / 285,206.15-393,589.79-164,327.01

Finding the Fourth Proportional to 285,206.15, 393,589.79 and 164,327.01

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Solution

The fourth proportional to 285,206.15, 393,589.79 and 164,327.01 is: 226,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,206.15 : 393,589.79 = 164,327.01 : x
  2. Step 2: Convert to fraction form
    285,206.15/393,589.79 = 164,327.01/x
  3. Step 3: Cross multiply
    285,206.15x = 393,589.79 × 164,327.01
  4. Step 4: Simplify right side
    285,206.15x = 64,677,432,535.59
  5. Step 5: Solve for x
    x = 64,677,432,535.59/285,206.15
  6. Step 6: Final answer
    x = 226,774.33

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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.