Home / 274,730.40-412,095.60-168,442.20

Finding the Fourth Proportional to 274,730.40, 412,095.60 and 168,442.20

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Solution

The fourth proportional to 274,730.40, 412,095.60 and 168,442.20 is: 252,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,730.40 : 412,095.60 = 168,442.20 : x
  2. Step 2: Convert to fraction form
    274,730.40/412,095.60 = 168,442.20/x
  3. Step 3: Cross multiply
    274,730.40x = 412,095.60 × 168,442.20
  4. Step 4: Simplify right side
    274,730.40x = 69,414,289,474.32
  5. Step 5: Solve for x
    x = 69,414,289,474.32/274,730.40
  6. Step 6: Final answer
    x = 252,663.30

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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.