Home / 268,211.90-402,625.05-157,466.30

Finding the Fourth Proportional to 268,211.90, 402,625.05 and 157,466.30

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Solution

The fourth proportional to 268,211.90, 402,625.05 and 157,466.30 is: 236,379.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,211.90 : 402,625.05 = 157,466.30 : x
  2. Step 2: Convert to fraction form
    268,211.90/402,625.05 = 157,466.30/x
  3. Step 3: Cross multiply
    268,211.90x = 402,625.05 × 157,466.30
  4. Step 4: Simplify right side
    268,211.90x = 63,399,876,910.82
  5. Step 5: Solve for x
    x = 63,399,876,910.82/268,211.90
  6. Step 6: Final answer
    x = 236,379.81

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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.