Home / 1,101,049.20-1,651,288.68-302,142.96

Finding the Fourth Proportional to 1,101,049.20, 1,651,288.68 and 302,142.96

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Solution

The fourth proportional to 1,101,049.20, 1,651,288.68 and 302,142.96 is: 453,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,049.20 : 1,651,288.68 = 302,142.96 : x
  2. Step 2: Convert to fraction form
    1,101,049.20/1,651,288.68 = 302,142.96/x
  3. Step 3: Cross multiply
    1,101,049.20x = 1,651,288.68 × 302,142.96
  4. Step 4: Simplify right side
    1,101,049.20x = 498,925,249,589.69
  5. Step 5: Solve for x
    x = 498,925,249,589.69/1,101,049.20
  6. Step 6: Final answer
    x = 453,136.20

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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.