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Finding the Fourth Proportional to 237,662.11, 327,977 and 130,230.19

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Solution

The fourth proportional to 237,662.11, 327,977 and 130,230.19 is: 179,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,662.11 : 327,977 = 130,230.19 : x
  2. Step 2: Convert to fraction form
    237,662.11/327,977 = 130,230.19/x
  3. Step 3: Cross multiply
    237,662.11x = 327,977 × 130,230.19
  4. Step 4: Simplify right side
    237,662.11x = 42,712,507,025.63
  5. Step 5: Solve for x
    x = 42,712,507,025.63/237,662.11
  6. Step 6: Final answer
    x = 179,719.46

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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.