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Finding the Fourth Proportional to 415,901.60, 623,852.40 and 166,762.40

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Solution

The fourth proportional to 415,901.60, 623,852.40 and 166,762.40 is: 250,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,901.60 : 623,852.40 = 166,762.40 : x
  2. Step 2: Convert to fraction form
    415,901.60/623,852.40 = 166,762.40/x
  3. Step 3: Cross multiply
    415,901.60x = 623,852.40 × 166,762.40
  4. Step 4: Simplify right side
    415,901.60x = 104,035,123,469.76
  5. Step 5: Solve for x
    x = 104,035,123,469.76/415,901.60
  6. Step 6: Final answer
    x = 250,143.60

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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.