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Finding the Fourth Proportional to 434,995.31, 652,336.03 and 150,608.77

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Solution

The fourth proportional to 434,995.31, 652,336.03 and 150,608.77 is: 225,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,995.31 : 652,336.03 = 150,608.77 : x
  2. Step 2: Convert to fraction form
    434,995.31/652,336.03 = 150,608.77/x
  3. Step 3: Cross multiply
    434,995.31x = 652,336.03 × 150,608.77
  4. Step 4: Simplify right side
    434,995.31x = 98,247,523,466.78
  5. Step 5: Solve for x
    x = 98,247,523,466.78/434,995.31
  6. Step 6: Final answer
    x = 225,858.81

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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.