Home / 851,895.28-1,277,875.32-220,810.96

Finding the Fourth Proportional to 851,895.28, 1,277,875.32 and 220,810.96

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Solution

The fourth proportional to 851,895.28, 1,277,875.32 and 220,810.96 is: 331,224.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,895.28 : 1,277,875.32 = 220,810.96 : x
  2. Step 2: Convert to fraction form
    851,895.28/1,277,875.32 = 220,810.96/x
  3. Step 3: Cross multiply
    851,895.28x = 1,277,875.32 × 220,810.96
  4. Step 4: Simplify right side
    851,895.28x = 282,168,876,169.51
  5. Step 5: Solve for x
    x = 282,168,876,169.51/851,895.28
  6. Step 6: Final answer
    x = 331,224.84

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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.