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Finding the Fourth Proportional to 851,880.82, 1,277,820 and 220,795.24

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Solution

The fourth proportional to 851,880.82, 1,277,820 and 220,795.24 is: 331,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,880.82 : 1,277,820 = 220,795.24 : x
  2. Step 2: Convert to fraction form
    851,880.82/1,277,820 = 220,795.24/x
  3. Step 3: Cross multiply
    851,880.82x = 1,277,820 × 220,795.24
  4. Step 4: Simplify right side
    851,880.82x = 282,136,573,576.80
  5. Step 5: Solve for x
    x = 282,136,573,576.80/851,880.82
  6. Step 6: Final answer
    x = 331,192.54

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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.