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Finding the Fourth Proportional to 350,601.60, 525,902.40 and 125,961.60

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Solution

The fourth proportional to 350,601.60, 525,902.40 and 125,961.60 is: 188,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,601.60 : 525,902.40 = 125,961.60 : x
  2. Step 2: Convert to fraction form
    350,601.60/525,902.40 = 125,961.60/x
  3. Step 3: Cross multiply
    350,601.60x = 525,902.40 × 125,961.60
  4. Step 4: Simplify right side
    350,601.60x = 66,243,507,747.84
  5. Step 5: Solve for x
    x = 66,243,507,747.84/350,601.60
  6. Step 6: Final answer
    x = 188,942.40

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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.