Home / 624,740.45-937,110.78-151,425.86

Finding the Fourth Proportional to 624,740.45, 937,110.78 and 151,425.86

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Solution

The fourth proportional to 624,740.45, 937,110.78 and 151,425.86 is: 227,138.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,740.45 : 937,110.78 = 151,425.86 : x
  2. Step 2: Convert to fraction form
    624,740.45/937,110.78 = 151,425.86/x
  3. Step 3: Cross multiply
    624,740.45x = 937,110.78 × 151,425.86
  4. Step 4: Simplify right side
    624,740.45x = 141,902,801,091.22
  5. Step 5: Solve for x
    x = 141,902,801,091.22/624,740.45
  6. Step 6: Final answer
    x = 227,138.81

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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.