Home / 298,530.29-411,971.82-162,564.20

Finding the Fourth Proportional to 298,530.29, 411,971.82 and 162,564.20

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Solution

The fourth proportional to 298,530.29, 411,971.82 and 162,564.20 is: 224,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,530.29 : 411,971.82 = 162,564.20 : x
  2. Step 2: Convert to fraction form
    298,530.29/411,971.82 = 162,564.20/x
  3. Step 3: Cross multiply
    298,530.29x = 411,971.82 × 162,564.20
  4. Step 4: Simplify right side
    298,530.29x = 66,971,869,340.84
  5. Step 5: Solve for x
    x = 66,971,869,340.84/298,530.29
  6. Step 6: Final answer
    x = 224,338.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.