Home / 422,960.69-634,607.08-186,137.24

Finding the Fourth Proportional to 422,960.69, 634,607.08 and 186,137.24

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Solution

The fourth proportional to 422,960.69, 634,607.08 and 186,137.24 is: 279,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,960.69 : 634,607.08 = 186,137.24 : x
  2. Step 2: Convert to fraction form
    422,960.69/634,607.08 = 186,137.24/x
  3. Step 3: Cross multiply
    422,960.69x = 634,607.08 × 186,137.24
  4. Step 4: Simplify right side
    422,960.69x = 118,124,010,355.66
  5. Step 5: Solve for x
    x = 118,124,010,355.66/422,960.69
  6. Step 6: Final answer
    x = 279,278.93

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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.