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Finding the Fourth Proportional to 350,751.56, 526,128.44 and 98,030.38

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Solution

The fourth proportional to 350,751.56, 526,128.44 and 98,030.38 is: 147,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,751.56 : 526,128.44 = 98,030.38 : x
  2. Step 2: Convert to fraction form
    350,751.56/526,128.44 = 98,030.38/x
  3. Step 3: Cross multiply
    350,751.56x = 526,128.44 × 98,030.38
  4. Step 4: Simplify right side
    350,751.56x = 51,576,567,781.21
  5. Step 5: Solve for x
    x = 51,576,567,781.21/350,751.56
  6. Step 6: Final answer
    x = 147,045.87

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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.