Home / 216,279.84-296,298.45-208,193.64

Finding the Fourth Proportional to 216,279.84, 296,298.45 and 208,193.64

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Solution

The fourth proportional to 216,279.84, 296,298.45 and 208,193.64 is: 285,220.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,279.84 : 296,298.45 = 208,193.64 : x
  2. Step 2: Convert to fraction form
    216,279.84/296,298.45 = 208,193.64/x
  3. Step 3: Cross multiply
    216,279.84x = 296,298.45 × 208,193.64
  4. Step 4: Simplify right side
    216,279.84x = 61,687,452,831.86
  5. Step 5: Solve for x
    x = 61,687,452,831.86/216,279.84
  6. Step 6: Final answer
    x = 285,220.54

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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.