Home / 213,385.51-320,146.64-149,410.29

Finding the Fourth Proportional to 213,385.51, 320,146.64 and 149,410.29

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Solution

The fourth proportional to 213,385.51, 320,146.64 and 149,410.29 is: 224,163.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,385.51 : 320,146.64 = 149,410.29 : x
  2. Step 2: Convert to fraction form
    213,385.51/320,146.64 = 149,410.29/x
  3. Step 3: Cross multiply
    213,385.51x = 320,146.64 × 149,410.29
  4. Step 4: Simplify right side
    213,385.51x = 47,833,202,324.93
  5. Step 5: Solve for x
    x = 47,833,202,324.93/213,385.51
  6. Step 6: Final answer
    x = 224,163.31

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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.