Home / 213,497.28-320,234.37-108,313.52

Finding the Fourth Proportional to 213,497.28, 320,234.37 and 108,313.52

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Solution

The fourth proportional to 213,497.28, 320,234.37 and 108,313.52 is: 162,464.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,497.28 : 320,234.37 = 108,313.52 : x
  2. Step 2: Convert to fraction form
    213,497.28/320,234.37 = 108,313.52/x
  3. Step 3: Cross multiply
    213,497.28x = 320,234.37 × 108,313.52
  4. Step 4: Simplify right side
    213,497.28x = 34,685,710,238.51
  5. Step 5: Solve for x
    x = 34,685,710,238.51/213,497.28
  6. Step 6: Final answer
    x = 162,464.41

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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.