Home / 253,220.28-349,429.14-140,035.56

Finding the Fourth Proportional to 253,220.28, 349,429.14 and 140,035.56

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Solution

The fourth proportional to 253,220.28, 349,429.14 and 140,035.56 is: 193,240.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,220.28 : 349,429.14 = 140,035.56 : x
  2. Step 2: Convert to fraction form
    253,220.28/349,429.14 = 140,035.56/x
  3. Step 3: Cross multiply
    253,220.28x = 349,429.14 × 140,035.56
  4. Step 4: Simplify right side
    253,220.28x = 48,932,505,300.22
  5. Step 5: Solve for x
    x = 48,932,505,300.22/253,220.28
  6. Step 6: Final answer
    x = 193,240.86

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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.