Home / 215,429.57-323,144.43-215,118.26

Finding the Fourth Proportional to 215,429.57, 323,144.43 and 215,118.26

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Solution

The fourth proportional to 215,429.57, 323,144.43 and 215,118.26 is: 322,677.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,429.57 : 323,144.43 = 215,118.26 : x
  2. Step 2: Convert to fraction form
    215,429.57/323,144.43 = 215,118.26/x
  3. Step 3: Cross multiply
    215,429.57x = 323,144.43 × 215,118.26
  4. Step 4: Simplify right side
    215,429.57x = 69,514,267,106.36
  5. Step 5: Solve for x
    x = 69,514,267,106.36/215,429.57
  6. Step 6: Final answer
    x = 322,677.47

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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.