Home / 286,379.10-395,021.61-175,949.37

Finding the Fourth Proportional to 286,379.10, 395,021.61 and 175,949.37

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Solution

The fourth proportional to 286,379.10, 395,021.61 and 175,949.37 is: 242,698.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,379.10 : 395,021.61 = 175,949.37 : x
  2. Step 2: Convert to fraction form
    286,379.10/395,021.61 = 175,949.37/x
  3. Step 3: Cross multiply
    286,379.10x = 395,021.61 × 175,949.37
  4. Step 4: Simplify right side
    286,379.10x = 69,503,803,415.89
  5. Step 5: Solve for x
    x = 69,503,803,415.89/286,379.10
  6. Step 6: Final answer
    x = 242,698.59

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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.