Home / 325,520.10-487,502.55-199,548.90

Finding the Fourth Proportional to 325,520.10, 487,502.55 and 199,548.90

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Solution

The fourth proportional to 325,520.10, 487,502.55 and 199,548.90 is: 298,846.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,520.10 : 487,502.55 = 199,548.90 : x
  2. Step 2: Convert to fraction form
    325,520.10/487,502.55 = 199,548.90/x
  3. Step 3: Cross multiply
    325,520.10x = 487,502.55 × 199,548.90
  4. Step 4: Simplify right side
    325,520.10x = 97,280,597,599.70
  5. Step 5: Solve for x
    x = 97,280,597,599.70/325,520.10
  6. Step 6: Final answer
    x = 298,846.67

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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.