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Finding the Fourth Proportional to 216,007.20, 324,156.60 and 97,617.60

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Solution

The fourth proportional to 216,007.20, 324,156.60 and 97,617.60 is: 146,492.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,007.20 : 324,156.60 = 97,617.60 : x
  2. Step 2: Convert to fraction form
    216,007.20/324,156.60 = 97,617.60/x
  3. Step 3: Cross multiply
    216,007.20x = 324,156.60 × 97,617.60
  4. Step 4: Simplify right side
    216,007.20x = 31,643,389,316.16
  5. Step 5: Solve for x
    x = 31,643,389,316.16/216,007.20
  6. Step 6: Final answer
    x = 146,492.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.