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Finding the Fourth Proportional to 197,334.80, 295,856.40 and 108,688.40

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Solution

The fourth proportional to 197,334.80, 295,856.40 and 108,688.40 is: 162,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,334.80 : 295,856.40 = 108,688.40 : x
  2. Step 2: Convert to fraction form
    197,334.80/295,856.40 = 108,688.40/x
  3. Step 3: Cross multiply
    197,334.80x = 295,856.40 × 108,688.40
  4. Step 4: Simplify right side
    197,334.80x = 32,156,158,745.76
  5. Step 5: Solve for x
    x = 32,156,158,745.76/197,334.80
  6. Step 6: Final answer
    x = 162,952.30

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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.