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Finding the Fourth Proportional to 371,071.88, 512,079.39 and 201,306

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Solution

The fourth proportional to 371,071.88, 512,079.39 and 201,306 is: 277,802.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,071.88 : 512,079.39 = 201,306 : x
  2. Step 2: Convert to fraction form
    371,071.88/512,079.39 = 201,306/x
  3. Step 3: Cross multiply
    371,071.88x = 512,079.39 × 201,306
  4. Step 4: Simplify right side
    371,071.88x = 103,084,653,683.34
  5. Step 5: Solve for x
    x = 103,084,653,683.34/371,071.88
  6. Step 6: Final answer
    x = 277,802.39

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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.