Home / 247,390.85-341,400.03-134,213.60

Finding the Fourth Proportional to 247,390.85, 341,400.03 and 134,213.60

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Solution

The fourth proportional to 247,390.85, 341,400.03 and 134,213.60 is: 185,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,390.85 : 341,400.03 = 134,213.60 : x
  2. Step 2: Convert to fraction form
    247,390.85/341,400.03 = 134,213.60/x
  3. Step 3: Cross multiply
    247,390.85x = 341,400.03 × 134,213.60
  4. Step 4: Simplify right side
    247,390.85x = 45,820,524,688.34
  5. Step 5: Solve for x
    x = 45,820,524,688.34/247,390.85
  6. Step 6: Final answer
    x = 185,215.12

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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.