Home / 278,825.41-384,782.57-151,503.13

Finding the Fourth Proportional to 278,825.41, 384,782.57 and 151,503.13

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Solution

The fourth proportional to 278,825.41, 384,782.57 and 151,503.13 is: 209,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,825.41 : 384,782.57 = 151,503.13 : x
  2. Step 2: Convert to fraction form
    278,825.41/384,782.57 = 151,503.13/x
  3. Step 3: Cross multiply
    278,825.41x = 384,782.57 × 151,503.13
  4. Step 4: Simplify right side
    278,825.41x = 58,295,763,724.44
  5. Step 5: Solve for x
    x = 58,295,763,724.44/278,825.41
  6. Step 6: Final answer
    x = 209,076.22

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1.5x scale

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.