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Finding the Fourth Proportional to 280,608.37, 387,247.13 and 167,496.73

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Solution

The fourth proportional to 280,608.37, 387,247.13 and 167,496.73 is: 231,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,608.37 : 387,247.13 = 167,496.73 : x
  2. Step 2: Convert to fraction form
    280,608.37/387,247.13 = 167,496.73/x
  3. Step 3: Cross multiply
    280,608.37x = 387,247.13 × 167,496.73
  4. Step 4: Simplify right side
    280,608.37x = 64,862,626,799.40
  5. Step 5: Solve for x
    x = 64,862,626,799.40/280,608.37
  6. Step 6: Final answer
    x = 231,150.01

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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.