Home / 374,279.62-516,516.49-208,711.37

Finding the Fourth Proportional to 374,279.62, 516,516.49 and 208,711.37

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Solution

The fourth proportional to 374,279.62, 516,516.49 and 208,711.37 is: 288,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,279.62 : 516,516.49 = 208,711.37 : x
  2. Step 2: Convert to fraction form
    374,279.62/516,516.49 = 208,711.37/x
  3. Step 3: Cross multiply
    374,279.62x = 516,516.49 × 208,711.37
  4. Step 4: Simplify right side
    374,279.62x = 107,802,861,933.80
  5. Step 5: Solve for x
    x = 107,802,861,933.80/374,279.62
  6. Step 6: Final answer
    x = 288,027.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.