Home / 219,309.20-329,095.04-201,463.28

Finding the Fourth Proportional to 219,309.20, 329,095.04 and 201,463.28

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Solution

The fourth proportional to 219,309.20, 329,095.04 and 201,463.28 is: 302,315.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,309.20 : 329,095.04 = 201,463.28 : x
  2. Step 2: Convert to fraction form
    219,309.20/329,095.04 = 201,463.28/x
  3. Step 3: Cross multiply
    219,309.20x = 329,095.04 × 201,463.28
  4. Step 4: Simplify right side
    219,309.20x = 66,300,566,190.13
  5. Step 5: Solve for x
    x = 66,300,566,190.13/219,309.20
  6. Step 6: Final answer
    x = 302,315.48

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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.