Home / 285,848.90-394,495.73-158,565.50

Finding the Fourth Proportional to 285,848.90, 394,495.73 and 158,565.50

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Solution

The fourth proportional to 285,848.90, 394,495.73 and 158,565.50 is: 218,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,848.90 : 394,495.73 = 158,565.50 : x
  2. Step 2: Convert to fraction form
    285,848.90/394,495.73 = 158,565.50/x
  3. Step 3: Cross multiply
    285,848.90x = 394,495.73 × 158,565.50
  4. Step 4: Simplify right side
    285,848.90x = 62,553,412,675.32
  5. Step 5: Solve for x
    x = 62,553,412,675.32/285,848.90
  6. Step 6: Final answer
    x = 218,833.84

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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.