Home / 609,138.86-913,669.38-188,379.50

Finding the Fourth Proportional to 609,138.86, 913,669.38 and 188,379.50

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Solution

The fourth proportional to 609,138.86, 913,669.38 and 188,379.50 is: 282,557.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,138.86 : 913,669.38 = 188,379.50 : x
  2. Step 2: Convert to fraction form
    609,138.86/913,669.38 = 188,379.50/x
  3. Step 3: Cross multiply
    609,138.86x = 913,669.38 × 188,379.50
  4. Step 4: Simplify right side
    609,138.86x = 172,116,580,969.71
  5. Step 5: Solve for x
    x = 172,116,580,969.71/609,138.86
  6. Step 6: Final answer
    x = 282,557.22

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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.