Home / 351,256.80-526,872.40-140,837.60

Finding the Fourth Proportional to 351,256.80, 526,872.40 and 140,837.60

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Solution

The fourth proportional to 351,256.80, 526,872.40 and 140,837.60 is: 211,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,256.80 : 526,872.40 = 140,837.60 : x
  2. Step 2: Convert to fraction form
    351,256.80/526,872.40 = 140,837.60/x
  3. Step 3: Cross multiply
    351,256.80x = 526,872.40 × 140,837.60
  4. Step 4: Simplify right side
    351,256.80x = 74,203,444,322.24
  5. Step 5: Solve for x
    x = 74,203,444,322.24/351,256.80
  6. Step 6: Final answer
    x = 211,251.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.