Home / 211,271.92-291,557.54-115,776.56

Finding the Fourth Proportional to 211,271.92, 291,557.54 and 115,776.56

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Solution

The fourth proportional to 211,271.92, 291,557.54 and 115,776.56 is: 159,772.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,271.92 : 291,557.54 = 115,776.56 : x
  2. Step 2: Convert to fraction form
    211,271.92/291,557.54 = 115,776.56/x
  3. Step 3: Cross multiply
    211,271.92x = 291,557.54 × 115,776.56
  4. Step 4: Simplify right side
    211,271.92x = 33,755,530,041.60
  5. Step 5: Solve for x
    x = 33,755,530,041.60/211,271.92
  6. Step 6: Final answer
    x = 159,772.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.