Home / 258,050.30-387,202.25-115,995.94

Finding the Fourth Proportional to 258,050.30, 387,202.25 and 115,995.94

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Solution

The fourth proportional to 258,050.30, 387,202.25 and 115,995.94 is: 174,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,050.30 : 387,202.25 = 115,995.94 : x
  2. Step 2: Convert to fraction form
    258,050.30/387,202.25 = 115,995.94/x
  3. Step 3: Cross multiply
    258,050.30x = 387,202.25 × 115,995.94
  4. Step 4: Simplify right side
    258,050.30x = 44,913,888,280.85
  5. Step 5: Solve for x
    x = 44,913,888,280.85/258,050.30
  6. Step 6: Final answer
    x = 174,050.91

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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.