Home / 307,899.20-461,071.20-202,145.60

Finding the Fourth Proportional to 307,899.20, 461,071.20 and 202,145.60

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Solution

The fourth proportional to 307,899.20, 461,071.20 and 202,145.60 is: 302,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,899.20 : 461,071.20 = 202,145.60 : x
  2. Step 2: Convert to fraction form
    307,899.20/461,071.20 = 202,145.60/x
  3. Step 3: Cross multiply
    307,899.20x = 461,071.20 × 202,145.60
  4. Step 4: Simplify right side
    307,899.20x = 93,203,514,366.72
  5. Step 5: Solve for x
    x = 93,203,514,366.72/307,899.20
  6. Step 6: Final answer
    x = 302,707.88

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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.