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Finding the Fourth Proportional to 535,202.40, 802,803.60 and 219,885.60

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Solution

The fourth proportional to 535,202.40, 802,803.60 and 219,885.60 is: 329,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,202.40 : 802,803.60 = 219,885.60 : x
  2. Step 2: Convert to fraction form
    535,202.40/802,803.60 = 219,885.60/x
  3. Step 3: Cross multiply
    535,202.40x = 802,803.60 × 219,885.60
  4. Step 4: Simplify right side
    535,202.40x = 176,524,951,268.16
  5. Step 5: Solve for x
    x = 176,524,951,268.16/535,202.40
  6. Step 6: Final answer
    x = 329,828.40

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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.