Home / 379,909.59-569,865.44-155,270.06

Finding the Fourth Proportional to 379,909.59, 569,865.44 and 155,270.06

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Solution

The fourth proportional to 379,909.59, 569,865.44 and 155,270.06 is: 232,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,909.59 : 569,865.44 = 155,270.06 : x
  2. Step 2: Convert to fraction form
    379,909.59/569,865.44 = 155,270.06/x
  3. Step 3: Cross multiply
    379,909.59x = 569,865.44 × 155,270.06
  4. Step 4: Simplify right side
    379,909.59x = 88,483,040,736.57
  5. Step 5: Solve for x
    x = 88,483,040,736.57/379,909.59
  6. Step 6: Final answer
    x = 232,905.52

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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.