Home / 371,185.03-512,236.71-201,419.16

Finding the Fourth Proportional to 371,185.03, 512,236.71 and 201,419.16

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Solution

The fourth proportional to 371,185.03, 512,236.71 and 201,419.16 is: 277,959.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,185.03 : 512,236.71 = 201,419.16 : x
  2. Step 2: Convert to fraction form
    371,185.03/512,236.71 = 201,419.16/x
  3. Step 3: Cross multiply
    371,185.03x = 512,236.71 × 201,419.16
  4. Step 4: Simplify right side
    371,185.03x = 103,174,285,928.48
  5. Step 5: Solve for x
    x = 103,174,285,928.48/371,185.03
  6. Step 6: Final answer
    x = 277,959.18

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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.