Home / 217,427.22-325,976.34-142,566.21

Finding the Fourth Proportional to 217,427.22, 325,976.34 and 142,566.21

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Solution

The fourth proportional to 217,427.22, 325,976.34 and 142,566.21 is: 213,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,427.22 : 325,976.34 = 142,566.21 : x
  2. Step 2: Convert to fraction form
    217,427.22/325,976.34 = 142,566.21/x
  3. Step 3: Cross multiply
    217,427.22x = 325,976.34 × 142,566.21
  4. Step 4: Simplify right side
    217,427.22x = 46,473,211,343.47
  5. Step 5: Solve for x
    x = 46,473,211,343.47/217,427.22
  6. Step 6: Final answer
    x = 213,741.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.