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Finding the Fourth Proportional to 624,008.80, 935,998.80 and 203,281.60

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Solution

The fourth proportional to 624,008.80, 935,998.80 and 203,281.60 is: 304,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,008.80 : 935,998.80 = 203,281.60 : x
  2. Step 2: Convert to fraction form
    624,008.80/935,998.80 = 203,281.60/x
  3. Step 3: Cross multiply
    624,008.80x = 935,998.80 × 203,281.60
  4. Step 4: Simplify right side
    624,008.80x = 190,271,333,662.08
  5. Step 5: Solve for x
    x = 190,271,333,662.08/624,008.80
  6. Step 6: Final answer
    x = 304,917.71

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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.