Home / 371,071.13-512,078.36-201,305.25

Finding the Fourth Proportional to 371,071.13, 512,078.36 and 201,305.25

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Solution

The fourth proportional to 371,071.13, 512,078.36 and 201,305.25 is: 277,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,071.13 : 512,078.36 = 201,305.25 : x
  2. Step 2: Convert to fraction form
    371,071.13/512,078.36 = 201,305.25/x
  3. Step 3: Cross multiply
    371,071.13x = 512,078.36 × 201,305.25
  4. Step 4: Simplify right side
    371,071.13x = 103,084,061,272.86
  5. Step 5: Solve for x
    x = 103,084,061,272.86/371,071.13
  6. Step 6: Final answer
    x = 277,801.35

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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.