Home / 377,716.32-521,197.20-207,946.80

Finding the Fourth Proportional to 377,716.32, 521,197.20 and 207,946.80

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Solution

The fourth proportional to 377,716.32, 521,197.20 and 207,946.80 is: 286,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,716.32 : 521,197.20 = 207,946.80 : x
  2. Step 2: Convert to fraction form
    377,716.32/521,197.20 = 207,946.80/x
  3. Step 3: Cross multiply
    377,716.32x = 521,197.20 × 207,946.80
  4. Step 4: Simplify right side
    377,716.32x = 108,381,289,908.96
  5. Step 5: Solve for x
    x = 108,381,289,908.96/377,716.32
  6. Step 6: Final answer
    x = 286,938.33

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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.