Home / 298,617.66-448,110.56-121,126.21

Finding the Fourth Proportional to 298,617.66, 448,110.56 and 121,126.21

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Solution

The fourth proportional to 298,617.66, 448,110.56 and 121,126.21 is: 181,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,617.66 : 448,110.56 = 121,126.21 : x
  2. Step 2: Convert to fraction form
    298,617.66/448,110.56 = 121,126.21/x
  3. Step 3: Cross multiply
    298,617.66x = 448,110.56 × 121,126.21
  4. Step 4: Simplify right side
    298,617.66x = 54,277,932,976.32
  5. Step 5: Solve for x
    x = 54,277,932,976.32/298,617.66
  6. Step 6: Final answer
    x = 181,763.98

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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.