Home / 350,829.16-526,243.74-281,147.56

Finding the Fourth Proportional to 350,829.16, 526,243.74 and 281,147.56

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Solution

The fourth proportional to 350,829.16, 526,243.74 and 281,147.56 is: 421,721.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,829.16 : 526,243.74 = 281,147.56 : x
  2. Step 2: Convert to fraction form
    350,829.16/526,243.74 = 281,147.56/x
  3. Step 3: Cross multiply
    350,829.16x = 526,243.74 × 281,147.56
  4. Step 4: Simplify right side
    350,829.16x = 147,952,143,466.27
  5. Step 5: Solve for x
    x = 147,952,143,466.27/350,829.16
  6. Step 6: Final answer
    x = 421,721.34

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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.