Home / 217,782.24-300,588.48-142,287.36

Finding the Fourth Proportional to 217,782.24, 300,588.48 and 142,287.36

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Solution

The fourth proportional to 217,782.24, 300,588.48 and 142,287.36 is: 196,388.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,782.24 : 300,588.48 = 142,287.36 : x
  2. Step 2: Convert to fraction form
    217,782.24/300,588.48 = 142,287.36/x
  3. Step 3: Cross multiply
    217,782.24x = 300,588.48 × 142,287.36
  4. Step 4: Simplify right side
    217,782.24x = 42,769,941,265.61
  5. Step 5: Solve for x
    x = 42,769,941,265.61/217,782.24
  6. Step 6: Final answer
    x = 196,388.56

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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.