Home / 516,135.67-774,211.28-179,187.02

Finding the Fourth Proportional to 516,135.67, 774,211.28 and 179,187.02

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Solution

The fourth proportional to 516,135.67, 774,211.28 and 179,187.02 is: 268,783.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,135.67 : 774,211.28 = 179,187.02 : x
  2. Step 2: Convert to fraction form
    516,135.67/774,211.28 = 179,187.02/x
  3. Step 3: Cross multiply
    516,135.67x = 774,211.28 × 179,187.02
  4. Step 4: Simplify right side
    516,135.67x = 138,728,608,242.53
  5. Step 5: Solve for x
    x = 138,728,608,242.53/516,135.67
  6. Step 6: Final answer
    x = 268,783.22

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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.