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Finding the Fourth Proportional to 325,533.60, 488,300.40 and 219,245.40

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Solution

The fourth proportional to 325,533.60, 488,300.40 and 219,245.40 is: 328,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,533.60 : 488,300.40 = 219,245.40 : x
  2. Step 2: Convert to fraction form
    325,533.60/488,300.40 = 219,245.40/x
  3. Step 3: Cross multiply
    325,533.60x = 488,300.40 × 219,245.40
  4. Step 4: Simplify right side
    325,533.60x = 107,057,616,518.16
  5. Step 5: Solve for x
    x = 107,057,616,518.16/325,533.60
  6. Step 6: Final answer
    x = 328,868.10

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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.