Home / 439,896.03-659,856.35-155,546.39

Finding the Fourth Proportional to 439,896.03, 659,856.35 and 155,546.39

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Solution

The fourth proportional to 439,896.03, 659,856.35 and 155,546.39 is: 233,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,896.03 : 659,856.35 = 155,546.39 : x
  2. Step 2: Convert to fraction form
    439,896.03/659,856.35 = 155,546.39/x
  3. Step 3: Cross multiply
    439,896.03x = 659,856.35 × 155,546.39
  4. Step 4: Simplify right side
    439,896.03x = 102,638,269,084.06
  5. Step 5: Solve for x
    x = 102,638,269,084.06/439,896.03
  6. Step 6: Final answer
    x = 233,323.93

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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.