Home / 216,279.69-296,298.25-208,193.49

Finding the Fourth Proportional to 216,279.69, 296,298.25 and 208,193.49

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Solution

The fourth proportional to 216,279.69, 296,298.25 and 208,193.49 is: 285,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,279.69 : 296,298.25 = 208,193.49 : x
  2. Step 2: Convert to fraction form
    216,279.69/296,298.25 = 208,193.49/x
  3. Step 3: Cross multiply
    216,279.69x = 296,298.25 × 208,193.49
  4. Step 4: Simplify right side
    216,279.69x = 61,687,367,399.00
  5. Step 5: Solve for x
    x = 61,687,367,399.00/216,279.69
  6. Step 6: Final answer
    x = 285,220.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.