Home / 278,895.62-384,875.78-151,571.24

Finding the Fourth Proportional to 278,895.62, 384,875.78 and 151,571.24

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Solution

The fourth proportional to 278,895.62, 384,875.78 and 151,571.24 is: 209,168.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,895.62 : 384,875.78 = 151,571.24 : x
  2. Step 2: Convert to fraction form
    278,895.62/384,875.78 = 151,571.24/x
  3. Step 3: Cross multiply
    278,895.62x = 384,875.78 × 151,571.24
  4. Step 4: Simplify right side
    278,895.62x = 58,336,099,220.57
  5. Step 5: Solve for x
    x = 58,336,099,220.57/278,895.62
  6. Step 6: Final answer
    x = 209,168.22

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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.