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Finding the Fourth Proportional to 350,012.61, 524,993.52 and 136,740.48

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Solution

The fourth proportional to 350,012.61, 524,993.52 and 136,740.48 is: 205,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,012.61 : 524,993.52 = 136,740.48 : x
  2. Step 2: Convert to fraction form
    350,012.61/524,993.52 = 136,740.48/x
  3. Step 3: Cross multiply
    350,012.61x = 524,993.52 × 136,740.48
  4. Step 4: Simplify right side
    350,012.61x = 71,787,865,921.69
  5. Step 5: Solve for x
    x = 71,787,865,921.69/350,012.61
  6. Step 6: Final answer
    x = 205,100.80

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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.