Home / 251,639.08-347,147.51-149,606.64

Finding the Fourth Proportional to 251,639.08, 347,147.51 and 149,606.64

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Solution

The fourth proportional to 251,639.08, 347,147.51 and 149,606.64 is: 206,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,639.08 : 347,147.51 = 149,606.64 : x
  2. Step 2: Convert to fraction form
    251,639.08/347,147.51 = 149,606.64/x
  3. Step 3: Cross multiply
    251,639.08x = 347,147.51 × 149,606.64
  4. Step 4: Simplify right side
    251,639.08x = 51,935,571,807.43
  5. Step 5: Solve for x
    x = 51,935,571,807.43/251,639.08
  6. Step 6: Final answer
    x = 206,389.14

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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.