Home / 213,477.09-320,268.18-150,420.36

Finding the Fourth Proportional to 213,477.09, 320,268.18 and 150,420.36

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Solution

The fourth proportional to 213,477.09, 320,268.18 and 150,420.36 is: 225,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,477.09 : 320,268.18 = 150,420.36 : x
  2. Step 2: Convert to fraction form
    213,477.09/320,268.18 = 150,420.36/x
  3. Step 3: Cross multiply
    213,477.09x = 320,268.18 × 150,420.36
  4. Step 4: Simplify right side
    213,477.09x = 48,174,854,932.14
  5. Step 5: Solve for x
    x = 48,174,854,932.14/213,477.09
  6. Step 6: Final answer
    x = 225,667.56

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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.