Home / 377,770.32-521,324.28-205,690.32

Finding the Fourth Proportional to 377,770.32, 521,324.28 and 205,690.32

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Solution

The fourth proportional to 377,770.32, 521,324.28 and 205,690.32 is: 283,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,770.32 : 521,324.28 = 205,690.32 : x
  2. Step 2: Convert to fraction form
    377,770.32/521,324.28 = 205,690.32/x
  3. Step 3: Cross multiply
    377,770.32x = 521,324.28 × 205,690.32
  4. Step 4: Simplify right side
    377,770.32x = 107,231,357,976.97
  5. Step 5: Solve for x
    x = 107,231,357,976.97/377,770.32
  6. Step 6: Final answer
    x = 283,853.32

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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.