Home / 298,784.16-448,302.24-121,245.12

Finding the Fourth Proportional to 298,784.16, 448,302.24 and 121,245.12

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Solution

The fourth proportional to 298,784.16, 448,302.24 and 121,245.12 is: 181,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,784.16 : 448,302.24 = 121,245.12 : x
  2. Step 2: Convert to fraction form
    298,784.16/448,302.24 = 121,245.12/x
  3. Step 3: Cross multiply
    298,784.16x = 448,302.24 × 121,245.12
  4. Step 4: Simplify right side
    298,784.16x = 54,354,458,885.07
  5. Step 5: Solve for x
    x = 54,354,458,885.07/298,784.16
  6. Step 6: Final answer
    x = 181,918.81

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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.