Home / 274,904.20-412,298.70-134,763.40

Finding the Fourth Proportional to 274,904.20, 412,298.70 and 134,763.40

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Solution

The fourth proportional to 274,904.20, 412,298.70 and 134,763.40 is: 202,116.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,904.20 : 412,298.70 = 134,763.40 : x
  2. Step 2: Convert to fraction form
    274,904.20/412,298.70 = 134,763.40/x
  3. Step 3: Cross multiply
    274,904.20x = 412,298.70 × 134,763.40
  4. Step 4: Simplify right side
    274,904.20x = 55,562,774,627.58
  5. Step 5: Solve for x
    x = 55,562,774,627.58/274,904.20
  6. Step 6: Final answer
    x = 202,116.86

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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.