Home / 308,922.10-463,426.35-131,427.70

Finding the Fourth Proportional to 308,922.10, 463,426.35 and 131,427.70

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Solution

The fourth proportional to 308,922.10, 463,426.35 and 131,427.70 is: 197,159.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,922.10 : 463,426.35 = 131,427.70 : x
  2. Step 2: Convert to fraction form
    308,922.10/463,426.35 = 131,427.70/x
  3. Step 3: Cross multiply
    308,922.10x = 463,426.35 × 131,427.70
  4. Step 4: Simplify right side
    308,922.10x = 60,907,059,299.90
  5. Step 5: Solve for x
    x = 60,907,059,299.90/308,922.10
  6. Step 6: Final answer
    x = 197,159.93

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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.