Home / 371,739.56-512,983.87-210,591.32

Finding the Fourth Proportional to 371,739.56, 512,983.87 and 210,591.32

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Solution

The fourth proportional to 371,739.56, 512,983.87 and 210,591.32 is: 290,606.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,739.56 : 512,983.87 = 210,591.32 : x
  2. Step 2: Convert to fraction form
    371,739.56/512,983.87 = 210,591.32/x
  3. Step 3: Cross multiply
    371,739.56x = 512,983.87 × 210,591.32
  4. Step 4: Simplify right side
    371,739.56x = 108,029,947,230.61
  5. Step 5: Solve for x
    x = 108,029,947,230.61/371,739.56
  6. Step 6: Final answer
    x = 290,606.54

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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.