Home / 298,773.07-448,158.38-121,278.58

Finding the Fourth Proportional to 298,773.07, 448,158.38 and 121,278.58

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Solution

The fourth proportional to 298,773.07, 448,158.38 and 121,278.58 is: 181,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,773.07 : 448,158.38 = 121,278.58 : x
  2. Step 2: Convert to fraction form
    298,773.07/448,158.38 = 121,278.58/x
  3. Step 3: Cross multiply
    298,773.07x = 448,158.38 × 121,278.58
  4. Step 4: Simplify right side
    298,773.07x = 54,352,010,214.71
  5. Step 5: Solve for x
    x = 54,352,010,214.71/298,773.07
  6. Step 6: Final answer
    x = 181,917.37

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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.