Home / 290,536.28-400,896.42-163,187.48

Finding the Fourth Proportional to 290,536.28, 400,896.42 and 163,187.48

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Solution

The fourth proportional to 290,536.28, 400,896.42 and 163,187.48 is: 225,174.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,536.28 : 400,896.42 = 163,187.48 : x
  2. Step 2: Convert to fraction form
    290,536.28/400,896.42 = 163,187.48/x
  3. Step 3: Cross multiply
    290,536.28x = 400,896.42 × 163,187.48
  4. Step 4: Simplify right side
    290,536.28x = 65,421,276,520.82
  5. Step 5: Solve for x
    x = 65,421,276,520.82/290,536.28
  6. Step 6: Final answer
    x = 225,174.21

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1.5x scale

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.