Home / 210,576.32-290,579.60-115,062.56

Finding the Fourth Proportional to 210,576.32, 290,579.60 and 115,062.56

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Solution

The fourth proportional to 210,576.32, 290,579.60 and 115,062.56 is: 158,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,576.32 : 290,579.60 = 115,062.56 : x
  2. Step 2: Convert to fraction form
    210,576.32/290,579.60 = 115,062.56/x
  3. Step 3: Cross multiply
    210,576.32x = 290,579.60 × 115,062.56
  4. Step 4: Simplify right side
    210,576.32x = 33,434,832,659.78
  5. Step 5: Solve for x
    x = 33,434,832,659.78/210,576.32
  6. Step 6: Final answer
    x = 158,777.74

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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.