Home / 253,440.96-349,747.20-140,259.84

Finding the Fourth Proportional to 253,440.96, 349,747.20 and 140,259.84

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Solution

The fourth proportional to 253,440.96, 349,747.20 and 140,259.84 is: 193,557.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,440.96 : 349,747.20 = 140,259.84 : x
  2. Step 2: Convert to fraction form
    253,440.96/349,747.20 = 140,259.84/x
  3. Step 3: Cross multiply
    253,440.96x = 349,747.20 × 140,259.84
  4. Step 4: Simplify right side
    253,440.96x = 49,055,486,312.45
  5. Step 5: Solve for x
    x = 49,055,486,312.45/253,440.96
  6. Step 6: Final answer
    x = 193,557.85

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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.