Home / 258,904.35-387,858.98-158,772.56

Finding the Fourth Proportional to 258,904.35, 387,858.98 and 158,772.56

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Solution

The fourth proportional to 258,904.35, 387,858.98 and 158,772.56 is: 237,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,904.35 : 387,858.98 = 158,772.56 : x
  2. Step 2: Convert to fraction form
    258,904.35/387,858.98 = 158,772.56/x
  3. Step 3: Cross multiply
    258,904.35x = 387,858.98 × 158,772.56
  4. Step 4: Simplify right side
    258,904.35x = 61,581,361,631.23
  5. Step 5: Solve for x
    x = 61,581,361,631.23/258,904.35
  6. Step 6: Final answer
    x = 237,853.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.