Home / 851,091.72-1,276,681.32-220,011

Finding the Fourth Proportional to 851,091.72, 1,276,681.32 and 220,011

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Solution

The fourth proportional to 851,091.72, 1,276,681.32 and 220,011 is: 330,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,091.72 : 1,276,681.32 = 220,011 : x
  2. Step 2: Convert to fraction form
    851,091.72/1,276,681.32 = 220,011/x
  3. Step 3: Cross multiply
    851,091.72x = 1,276,681.32 × 220,011
  4. Step 4: Simplify right side
    851,091.72x = 280,883,933,894.52
  5. Step 5: Solve for x
    x = 280,883,933,894.52/851,091.72
  6. Step 6: Final answer
    x = 330,027.81

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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.