Home / 360,938.55-498,099.60-199,808.49

Finding the Fourth Proportional to 360,938.55, 498,099.60 and 199,808.49

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Solution

The fourth proportional to 360,938.55, 498,099.60 and 199,808.49 is: 275,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,938.55 : 498,099.60 = 199,808.49 : x
  2. Step 2: Convert to fraction form
    360,938.55/498,099.60 = 199,808.49/x
  3. Step 3: Cross multiply
    360,938.55x = 498,099.60 × 199,808.49
  4. Step 4: Simplify right side
    360,938.55x = 99,524,528,945.60
  5. Step 5: Solve for x
    x = 99,524,528,945.60/360,938.55
  6. Step 6: Final answer
    x = 275,738.15

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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.