Home / 231,618.40-347,427.60-216,066.40

Finding the Fourth Proportional to 231,618.40, 347,427.60 and 216,066.40

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Solution

The fourth proportional to 231,618.40, 347,427.60 and 216,066.40 is: 324,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,618.40 : 347,427.60 = 216,066.40 : x
  2. Step 2: Convert to fraction form
    231,618.40/347,427.60 = 216,066.40/x
  3. Step 3: Cross multiply
    231,618.40x = 347,427.60 × 216,066.40
  4. Step 4: Simplify right side
    231,618.40x = 75,067,430,792.64
  5. Step 5: Solve for x
    x = 75,067,430,792.64/231,618.40
  6. Step 6: Final answer
    x = 324,099.60

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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.