Home / 274,840.90-412,250.57-114,875.52

Finding the Fourth Proportional to 274,840.90, 412,250.57 and 114,875.52

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Solution

The fourth proportional to 274,840.90, 412,250.57 and 114,875.52 is: 172,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,840.90 : 412,250.57 = 114,875.52 : x
  2. Step 2: Convert to fraction form
    274,840.90/412,250.57 = 114,875.52/x
  3. Step 3: Cross multiply
    274,840.90x = 412,250.57 × 114,875.52
  4. Step 4: Simplify right side
    274,840.90x = 47,357,498,599.05
  5. Step 5: Solve for x
    x = 47,357,498,599.05/274,840.90
  6. Step 6: Final answer
    x = 172,308.77

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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.