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Finding the Fourth Proportional to 277,485.56, 416,059.79 and 108,803.79

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Solution

The fourth proportional to 277,485.56, 416,059.79 and 108,803.79 is: 163,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,485.56 : 416,059.79 = 108,803.79 : x
  2. Step 2: Convert to fraction form
    277,485.56/416,059.79 = 108,803.79/x
  3. Step 3: Cross multiply
    277,485.56x = 416,059.79 × 108,803.79
  4. Step 4: Simplify right side
    277,485.56x = 45,268,882,018.60
  5. Step 5: Solve for x
    x = 45,268,882,018.60/277,485.56
  6. Step 6: Final answer
    x = 163,139.60

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1.5x scale

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.