Home / 210,276.94-289,836.48-149,043.64

Finding the Fourth Proportional to 210,276.94, 289,836.48 and 149,043.64

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Solution

The fourth proportional to 210,276.94, 289,836.48 and 149,043.64 is: 205,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,276.94 : 289,836.48 = 149,043.64 : x
  2. Step 2: Convert to fraction form
    210,276.94/289,836.48 = 149,043.64/x
  3. Step 3: Cross multiply
    210,276.94x = 289,836.48 × 149,043.64
  4. Step 4: Simplify right side
    210,276.94x = 43,198,283,983.99
  5. Step 5: Solve for x
    x = 43,198,283,983.99/210,276.94
  6. Step 6: Final answer
    x = 205,435.19

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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.