Home / 209,980.32-314,923.83-60,219.96

Finding the Fourth Proportional to 209,980.32, 314,923.83 and 60,219.96

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Solution

The fourth proportional to 209,980.32, 314,923.83 and 60,219.96 is: 90,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,980.32 : 314,923.83 = 60,219.96 : x
  2. Step 2: Convert to fraction form
    209,980.32/314,923.83 = 60,219.96/x
  3. Step 3: Cross multiply
    209,980.32x = 314,923.83 × 60,219.96
  4. Step 4: Simplify right side
    209,980.32x = 18,964,700,445.65
  5. Step 5: Solve for x
    x = 18,964,700,445.65/209,980.32
  6. Step 6: Final answer
    x = 90,316.56

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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.