Home / 312,295.03-468,372.47-143,653.39

Finding the Fourth Proportional to 312,295.03, 468,372.47 and 143,653.39

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Solution

The fourth proportional to 312,295.03, 468,372.47 and 143,653.39 is: 215,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,295.03 : 468,372.47 = 143,653.39 : x
  2. Step 2: Convert to fraction form
    312,295.03/468,372.47 = 143,653.39/x
  3. Step 3: Cross multiply
    312,295.03x = 468,372.47 × 143,653.39
  4. Step 4: Simplify right side
    312,295.03x = 67,283,291,208.98
  5. Step 5: Solve for x
    x = 67,283,291,208.98/312,295.03
  6. Step 6: Final answer
    x = 215,447.85

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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.