Home / 258,722.74-356,995.05-149,788.27

Finding the Fourth Proportional to 258,722.74, 356,995.05 and 149,788.27

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Solution

The fourth proportional to 258,722.74, 356,995.05 and 149,788.27 is: 206,683.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,722.74 : 356,995.05 = 149,788.27 : x
  2. Step 2: Convert to fraction form
    258,722.74/356,995.05 = 149,788.27/x
  3. Step 3: Cross multiply
    258,722.74x = 356,995.05 × 149,788.27
  4. Step 4: Simplify right side
    258,722.74x = 53,473,670,822.60
  5. Step 5: Solve for x
    x = 53,473,670,822.60/258,722.74
  6. Step 6: Final answer
    x = 206,683.30

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1.5x scale

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.