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Finding the Fourth Proportional to 388,094.10, 582,100.19 and 103,813.34

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Solution

The fourth proportional to 388,094.10, 582,100.19 and 103,813.34 is: 155,709.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,094.10 : 582,100.19 = 103,813.34 : x
  2. Step 2: Convert to fraction form
    388,094.10/582,100.19 = 103,813.34/x
  3. Step 3: Cross multiply
    388,094.10x = 582,100.19 × 103,813.34
  4. Step 4: Simplify right side
    388,094.10x = 60,429,761,508.97
  5. Step 5: Solve for x
    x = 60,429,761,508.97/388,094.10
  6. Step 6: Final answer
    x = 155,709.04

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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.