Home / 227,918.08-314,534.70-143,081.92

Finding the Fourth Proportional to 227,918.08, 314,534.70 and 143,081.92

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Solution

The fourth proportional to 227,918.08, 314,534.70 and 143,081.92 is: 197,457.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,918.08 : 314,534.70 = 143,081.92 : x
  2. Step 2: Convert to fraction form
    227,918.08/314,534.70 = 143,081.92/x
  3. Step 3: Cross multiply
    227,918.08x = 314,534.70 × 143,081.92
  4. Step 4: Simplify right side
    227,918.08x = 45,004,228,782.62
  5. Step 5: Solve for x
    x = 45,004,228,782.62/227,918.08
  6. Step 6: Final answer
    x = 197,457.91

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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.