Home / 227,015.15-340,346.12-146,883.78

Finding the Fourth Proportional to 227,015.15, 340,346.12 and 146,883.78

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Solution

The fourth proportional to 227,015.15, 340,346.12 and 146,883.78 is: 220,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,015.15 : 340,346.12 = 146,883.78 : x
  2. Step 2: Convert to fraction form
    227,015.15/340,346.12 = 146,883.78/x
  3. Step 3: Cross multiply
    227,015.15x = 340,346.12 × 146,883.78
  4. Step 4: Simplify right side
    227,015.15x = 49,991,323,879.51
  5. Step 5: Solve for x
    x = 49,991,323,879.51/227,015.15
  6. Step 6: Final answer
    x = 220,211.40

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1.5x scale

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.