Home / 280,601.06-387,229.44-151,539.52

Finding the Fourth Proportional to 280,601.06, 387,229.44 and 151,539.52

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Solution

The fourth proportional to 280,601.06, 387,229.44 and 151,539.52 is: 209,124.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,601.06 : 387,229.44 = 151,539.52 : x
  2. Step 2: Convert to fraction form
    280,601.06/387,229.44 = 151,539.52/x
  3. Step 3: Cross multiply
    280,601.06x = 387,229.44 × 151,539.52
  4. Step 4: Simplify right side
    280,601.06x = 58,680,563,467.47
  5. Step 5: Solve for x
    x = 58,680,563,467.47/280,601.06
  6. Step 6: Final answer
    x = 209,124.53

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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.