Home / 210,998.40-291,313.68-188,298.48

Finding the Fourth Proportional to 210,998.40, 291,313.68 and 188,298.48

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Solution

The fourth proportional to 210,998.40, 291,313.68 and 188,298.48 is: 259,973.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,998.40 : 291,313.68 = 188,298.48 : x
  2. Step 2: Convert to fraction form
    210,998.40/291,313.68 = 188,298.48/x
  3. Step 3: Cross multiply
    210,998.40x = 291,313.68 × 188,298.48
  4. Step 4: Simplify right side
    210,998.40x = 54,853,923,147.21
  5. Step 5: Solve for x
    x = 54,853,923,147.21/210,998.40
  6. Step 6: Final answer
    x = 259,973.17

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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.