Home / 371,072.13-512,079.74-201,306.25

Finding the Fourth Proportional to 371,072.13, 512,079.74 and 201,306.25

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Solution

The fourth proportional to 371,072.13, 512,079.74 and 201,306.25 is: 277,802.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,072.13 : 512,079.74 = 201,306.25 : x
  2. Step 2: Convert to fraction form
    371,072.13/512,079.74 = 201,306.25/x
  3. Step 3: Cross multiply
    371,072.13x = 512,079.74 × 201,306.25
  4. Step 4: Simplify right side
    371,072.13x = 103,084,852,160.38
  5. Step 5: Solve for x
    x = 103,084,852,160.38/371,072.13
  6. Step 6: Final answer
    x = 277,802.73

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1.5x scale

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.