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Finding the Fourth Proportional to 282,425.76, 389,750.24 and 155,104

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Solution

The fourth proportional to 282,425.76, 389,750.24 and 155,104 is: 214,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,425.76 : 389,750.24 = 155,104 : x
  2. Step 2: Convert to fraction form
    282,425.76/389,750.24 = 155,104/x
  3. Step 3: Cross multiply
    282,425.76x = 389,750.24 × 155,104
  4. Step 4: Simplify right side
    282,425.76x = 60,451,821,224.96
  5. Step 5: Solve for x
    x = 60,451,821,224.96/282,425.76
  6. Step 6: Final answer
    x = 214,045.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.