Home / 209,204.64-313,756.20-146,585.16

Finding the Fourth Proportional to 209,204.64, 313,756.20 and 146,585.16

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Solution

The fourth proportional to 209,204.64, 313,756.20 and 146,585.16 is: 219,842.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,204.64 : 313,756.20 = 146,585.16 : x
  2. Step 2: Convert to fraction form
    209,204.64/313,756.20 = 146,585.16/x
  3. Step 3: Cross multiply
    209,204.64x = 313,756.20 × 146,585.16
  4. Step 4: Simplify right side
    209,204.64x = 45,992,002,777.99
  5. Step 5: Solve for x
    x = 45,992,002,777.99/209,204.64
  6. Step 6: Final answer
    x = 219,842.17

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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.