Home / 295,636.11-407,857.03-218,297.08

Finding the Fourth Proportional to 295,636.11, 407,857.03 and 218,297.08

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Solution

The fourth proportional to 295,636.11, 407,857.03 and 218,297.08 is: 301,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,636.11 : 407,857.03 = 218,297.08 : x
  2. Step 2: Convert to fraction form
    295,636.11/407,857.03 = 218,297.08/x
  3. Step 3: Cross multiply
    295,636.11x = 407,857.03 × 218,297.08
  4. Step 4: Simplify right side
    295,636.11x = 89,033,998,706.47
  5. Step 5: Solve for x
    x = 89,033,998,706.47/295,636.11
  6. Step 6: Final answer
    x = 301,160.77

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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.