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Finding the Fourth Proportional to 371,080.56, 512,090.88 and 201,314.72

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Solution

The fourth proportional to 371,080.56, 512,090.88 and 201,314.72 is: 277,814.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,080.56 : 512,090.88 = 201,314.72 : x
  2. Step 2: Convert to fraction form
    371,080.56/512,090.88 = 201,314.72/x
  3. Step 3: Cross multiply
    371,080.56x = 512,090.88 × 201,314.72
  4. Step 4: Simplify right side
    371,080.56x = 103,091,432,121.75
  5. Step 5: Solve for x
    x = 103,091,432,121.75/371,080.56
  6. Step 6: Final answer
    x = 277,814.15

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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.