Home / 272,705.40-376,269.30-165,250.80

Finding the Fourth Proportional to 272,705.40, 376,269.30 and 165,250.80

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Solution

The fourth proportional to 272,705.40, 376,269.30 and 165,250.80 is: 228,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,705.40 : 376,269.30 = 165,250.80 : x
  2. Step 2: Convert to fraction form
    272,705.40/376,269.30 = 165,250.80/x
  3. Step 3: Cross multiply
    272,705.40x = 376,269.30 × 165,250.80
  4. Step 4: Simplify right side
    272,705.40x = 62,178,802,840.44
  5. Step 5: Solve for x
    x = 62,178,802,840.44/272,705.40
  6. Step 6: Final answer
    x = 228,007.23

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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.