Home / 256,091.22-384,053.81-85,267.35

Finding the Fourth Proportional to 256,091.22, 384,053.81 and 85,267.35

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Solution

The fourth proportional to 256,091.22, 384,053.81 and 85,267.35 is: 127,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,091.22 : 384,053.81 = 85,267.35 : x
  2. Step 2: Convert to fraction form
    256,091.22/384,053.81 = 85,267.35/x
  3. Step 3: Cross multiply
    256,091.22x = 384,053.81 × 85,267.35
  4. Step 4: Simplify right side
    256,091.22x = 32,747,250,209.77
  5. Step 5: Solve for x
    x = 32,747,250,209.77/256,091.22
  6. Step 6: Final answer
    x = 127,873.38

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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.