Home / 247,212.45-370,982.70-140,596.20

Finding the Fourth Proportional to 247,212.45, 370,982.70 and 140,596.20

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Solution

The fourth proportional to 247,212.45, 370,982.70 and 140,596.20 is: 210,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,212.45 : 370,982.70 = 140,596.20 : x
  2. Step 2: Convert to fraction form
    247,212.45/370,982.70 = 140,596.20/x
  3. Step 3: Cross multiply
    247,212.45x = 370,982.70 × 140,596.20
  4. Step 4: Simplify right side
    247,212.45x = 52,158,757,885.74
  5. Step 5: Solve for x
    x = 52,158,757,885.74/247,212.45
  6. Step 6: Final answer
    x = 210,987.59

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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.