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Finding the Fourth Proportional to 601,245.78, 901,868.77 and 151,967.94

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Solution

The fourth proportional to 601,245.78, 901,868.77 and 151,967.94 is: 227,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,245.78 : 901,868.77 = 151,967.94 : x
  2. Step 2: Convert to fraction form
    601,245.78/901,868.77 = 151,967.94/x
  3. Step 3: Cross multiply
    601,245.78x = 901,868.77 × 151,967.94
  4. Step 4: Simplify right side
    601,245.78x = 137,055,133,858.05
  5. Step 5: Solve for x
    x = 137,055,133,858.05/601,245.78
  6. Step 6: Final answer
    x = 227,951.93

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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.