Home / 851,108.72-1,276,706.82-220,028

Finding the Fourth Proportional to 851,108.72, 1,276,706.82 and 220,028

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Solution

The fourth proportional to 851,108.72, 1,276,706.82 and 220,028 is: 330,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,108.72 : 1,276,706.82 = 220,028 : x
  2. Step 2: Convert to fraction form
    851,108.72/1,276,706.82 = 220,028/x
  3. Step 3: Cross multiply
    851,108.72x = 1,276,706.82 × 220,028
  4. Step 4: Simplify right side
    851,108.72x = 280,911,248,190.96
  5. Step 5: Solve for x
    x = 280,911,248,190.96/851,108.72
  6. Step 6: Final answer
    x = 330,053.31

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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.