Home / 654,485.94-981,730.26-181,172.70

Finding the Fourth Proportional to 654,485.94, 981,730.26 and 181,172.70

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Solution

The fourth proportional to 654,485.94, 981,730.26 and 181,172.70 is: 271,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,485.94 : 981,730.26 = 181,172.70 : x
  2. Step 2: Convert to fraction form
    654,485.94/981,730.26 = 181,172.70/x
  3. Step 3: Cross multiply
    654,485.94x = 981,730.26 × 181,172.70
  4. Step 4: Simplify right side
    654,485.94x = 177,862,721,875.90
  5. Step 5: Solve for x
    x = 177,862,721,875.90/654,485.94
  6. Step 6: Final answer
    x = 271,759.42

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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.