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Finding the Fourth Proportional to 277,485.70, 416,060 and 108,803.93

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Solution

The fourth proportional to 277,485.70, 416,060 and 108,803.93 is: 163,139.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,485.70 : 416,060 = 108,803.93 : x
  2. Step 2: Convert to fraction form
    277,485.70/416,060 = 108,803.93/x
  3. Step 3: Cross multiply
    277,485.70x = 416,060 × 108,803.93
  4. Step 4: Simplify right side
    277,485.70x = 45,268,963,115.80
  5. Step 5: Solve for x
    x = 45,268,963,115.80/277,485.70
  6. Step 6: Final answer
    x = 163,139.81

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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.