Home / 298,331.13-447,496.71-245,629.89

Finding the Fourth Proportional to 298,331.13, 447,496.71 and 245,629.89

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Solution

The fourth proportional to 298,331.13, 447,496.71 and 245,629.89 is: 368,444.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,331.13 : 447,496.71 = 245,629.89 : x
  2. Step 2: Convert to fraction form
    298,331.13/447,496.71 = 245,629.89/x
  3. Step 3: Cross multiply
    298,331.13x = 447,496.71 × 245,629.89
  4. Step 4: Simplify right side
    298,331.13x = 109,918,567,652.66
  5. Step 5: Solve for x
    x = 109,918,567,652.66/298,331.13
  6. Step 6: Final answer
    x = 368,444.85

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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.