Home / 851,721.72-1,277,582.52-220,635.50

Finding the Fourth Proportional to 851,721.72, 1,277,582.52 and 220,635.50

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Solution

The fourth proportional to 851,721.72, 1,277,582.52 and 220,635.50 is: 330,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,721.72 : 1,277,582.52 = 220,635.50 : x
  2. Step 2: Convert to fraction form
    851,721.72/1,277,582.52 = 220,635.50/x
  3. Step 3: Cross multiply
    851,721.72x = 1,277,582.52 × 220,635.50
  4. Step 4: Simplify right side
    851,721.72x = 281,880,058,091.46
  5. Step 5: Solve for x
    x = 281,880,058,091.46/851,721.72
  6. Step 6: Final answer
    x = 330,953.23

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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.