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Finding the Fourth Proportional to 237,531, 327,783.18 and 142,090.44

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Solution

The fourth proportional to 237,531, 327,783.18 and 142,090.44 is: 196,079.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,531 : 327,783.18 = 142,090.44 : x
  2. Step 2: Convert to fraction form
    237,531/327,783.18 = 142,090.44/x
  3. Step 3: Cross multiply
    237,531x = 327,783.18 × 142,090.44
  4. Step 4: Simplify right side
    237,531x = 46,574,856,270.80
  5. Step 5: Solve for x
    x = 46,574,856,270.80/237,531
  6. Step 6: Final answer
    x = 196,079.06

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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.