Home / 253,320.44-349,562.94-140,140.76

Finding the Fourth Proportional to 253,320.44, 349,562.94 and 140,140.76

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Solution

The fourth proportional to 253,320.44, 349,562.94 and 140,140.76 is: 193,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,320.44 : 349,562.94 = 140,140.76 : x
  2. Step 2: Convert to fraction form
    253,320.44/349,562.94 = 140,140.76/x
  3. Step 3: Cross multiply
    253,320.44x = 349,562.94 × 140,140.76
  4. Step 4: Simplify right side
    253,320.44x = 48,988,016,079.43
  5. Step 5: Solve for x
    x = 48,988,016,079.43/253,320.44
  6. Step 6: Final answer
    x = 193,383.59

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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.