Home / 302,143.20-453,564.90-162,175.20

Finding the Fourth Proportional to 302,143.20, 453,564.90 and 162,175.20

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Solution

The fourth proportional to 302,143.20, 453,564.90 and 162,175.20 is: 243,450.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,143.20 : 453,564.90 = 162,175.20 : x
  2. Step 2: Convert to fraction form
    302,143.20/453,564.90 = 162,175.20/x
  3. Step 3: Cross multiply
    302,143.20x = 453,564.90 × 162,175.20
  4. Step 4: Simplify right side
    302,143.20x = 73,556,978,370.48
  5. Step 5: Solve for x
    x = 73,556,978,370.48/302,143.20
  6. Step 6: Final answer
    x = 243,450.72

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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.