Home / 284,930.10-427,433.55-97,998.90

Finding the Fourth Proportional to 284,930.10, 427,433.55 and 97,998.90

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Solution

The fourth proportional to 284,930.10, 427,433.55 and 97,998.90 is: 147,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,930.10 : 427,433.55 = 97,998.90 : x
  2. Step 2: Convert to fraction form
    284,930.10/427,433.55 = 97,998.90/x
  3. Step 3: Cross multiply
    284,930.10x = 427,433.55 × 97,998.90
  4. Step 4: Simplify right side
    284,930.10x = 41,888,017,723.10
  5. Step 5: Solve for x
    x = 41,888,017,723.10/284,930.10
  6. Step 6: Final answer
    x = 147,011.56

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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.