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Finding the Fourth Proportional to 350,752.56, 526,129.94 and 98,031.38

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Solution

The fourth proportional to 350,752.56, 526,129.94 and 98,031.38 is: 147,047.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,752.56 : 526,129.94 = 98,031.38 : x
  2. Step 2: Convert to fraction form
    350,752.56/526,129.94 = 98,031.38/x
  3. Step 3: Cross multiply
    350,752.56x = 526,129.94 × 98,031.38
  4. Step 4: Simplify right side
    350,752.56x = 51,577,244,077.52
  5. Step 5: Solve for x
    x = 51,577,244,077.52/350,752.56
  6. Step 6: Final answer
    x = 147,047.38

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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.