Home / 654,428.50-981,659.14-181,117.96

Finding the Fourth Proportional to 654,428.50, 981,659.14 and 181,117.96

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Solution

The fourth proportional to 654,428.50, 981,659.14 and 181,117.96 is: 271,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,428.50 : 981,659.14 = 181,117.96 : x
  2. Step 2: Convert to fraction form
    654,428.50/981,659.14 = 181,117.96/x
  3. Step 3: Cross multiply
    654,428.50x = 981,659.14 × 181,117.96
  4. Step 4: Simplify right side
    654,428.50x = 177,796,098,964.00
  5. Step 5: Solve for x
    x = 177,796,098,964.00/654,428.50
  6. Step 6: Final answer
    x = 271,681.47

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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.