Home / 351,274.13-526,912.56-85,034.21

Finding the Fourth Proportional to 351,274.13, 526,912.56 and 85,034.21

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Solution

The fourth proportional to 351,274.13, 526,912.56 and 85,034.21 is: 127,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,274.13 : 526,912.56 = 85,034.21 : x
  2. Step 2: Convert to fraction form
    351,274.13/526,912.56 = 85,034.21/x
  3. Step 3: Cross multiply
    351,274.13x = 526,912.56 × 85,034.21
  4. Step 4: Simplify right side
    351,274.13x = 44,805,590,644.11
  5. Step 5: Solve for x
    x = 44,805,590,644.11/351,274.13
  6. Step 6: Final answer
    x = 127,551.64

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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.