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Finding the Fourth Proportional to 350,749.80, 526,125.81 and 98,028.62

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Solution

The fourth proportional to 350,749.80, 526,125.81 and 98,028.62 is: 147,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,749.80 : 526,125.81 = 98,028.62 : x
  2. Step 2: Convert to fraction form
    350,749.80/526,125.81 = 98,028.62/x
  3. Step 3: Cross multiply
    350,749.80x = 526,125.81 × 98,028.62
  4. Step 4: Simplify right side
    350,749.80x = 51,575,388,170.93
  5. Step 5: Solve for x
    x = 51,575,388,170.93/350,749.80
  6. Step 6: Final answer
    x = 147,043.24

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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.