Home / 271,802.52-407,545.02-82,206.36

Finding the Fourth Proportional to 271,802.52, 407,545.02 and 82,206.36

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Solution

The fourth proportional to 271,802.52, 407,545.02 and 82,206.36 is: 123,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,802.52 : 407,545.02 = 82,206.36 : x
  2. Step 2: Convert to fraction form
    271,802.52/407,545.02 = 82,206.36/x
  3. Step 3: Cross multiply
    271,802.52x = 407,545.02 × 82,206.36
  4. Step 4: Simplify right side
    271,802.52x = 33,502,792,630.33
  5. Step 5: Solve for x
    x = 33,502,792,630.33/271,802.52
  6. Step 6: Final answer
    x = 123,261.52

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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.