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Finding the Fourth Proportional to 516,380.84, 774,550.20 and 179,497.88

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Solution

The fourth proportional to 516,380.84, 774,550.20 and 179,497.88 is: 269,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,380.84 : 774,550.20 = 179,497.88 : x
  2. Step 2: Convert to fraction form
    516,380.84/774,550.20 = 179,497.88/x
  3. Step 3: Cross multiply
    516,380.84x = 774,550.20 × 179,497.88
  4. Step 4: Simplify right side
    516,380.84x = 139,030,118,853.58
  5. Step 5: Solve for x
    x = 139,030,118,853.58/516,380.84
  6. Step 6: Final answer
    x = 269,239.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.