Home / 302,467.03-453,665.98-80,868.31

Finding the Fourth Proportional to 302,467.03, 453,665.98 and 80,868.31

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Solution

The fourth proportional to 302,467.03, 453,665.98 and 80,868.31 is: 121,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,467.03 : 453,665.98 = 80,868.31 : x
  2. Step 2: Convert to fraction form
    302,467.03/453,665.98 = 80,868.31/x
  3. Step 3: Cross multiply
    302,467.03x = 453,665.98 × 80,868.31
  4. Step 4: Simplify right side
    302,467.03x = 36,687,201,107.09
  5. Step 5: Solve for x
    x = 36,687,201,107.09/302,467.03
  6. Step 6: Final answer
    x = 121,293.22

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1.5x scale

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.