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Finding the Fourth Proportional to 350,026.17, 525,148.21 and 125,388.54

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Solution

The fourth proportional to 350,026.17, 525,148.21 and 125,388.54 is: 188,121.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,026.17 : 525,148.21 = 125,388.54 : x
  2. Step 2: Convert to fraction form
    350,026.17/525,148.21 = 125,388.54/x
  3. Step 3: Cross multiply
    350,026.17x = 525,148.21 × 125,388.54
  4. Step 4: Simplify right side
    350,026.17x = 65,847,567,335.51
  5. Step 5: Solve for x
    x = 65,847,567,335.51/350,026.17
  6. Step 6: Final answer
    x = 188,121.84

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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.