Home / 285,848.11-394,460.47-158,535.55

Finding the Fourth Proportional to 285,848.11, 394,460.47 and 158,535.55

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Solution

The fourth proportional to 285,848.11, 394,460.47 and 158,535.55 is: 218,773.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,848.11 : 394,460.47 = 158,535.55 : x
  2. Step 2: Convert to fraction form
    285,848.11/394,460.47 = 158,535.55/x
  3. Step 3: Cross multiply
    285,848.11x = 394,460.47 × 158,535.55
  4. Step 4: Simplify right side
    285,848.11x = 62,536,007,564.71
  5. Step 5: Solve for x
    x = 62,536,007,564.71/285,848.11
  6. Step 6: Final answer
    x = 218,773.56

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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.