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Finding the Fourth Proportional to 366,202, 505,316.23 and 213,273.60

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Solution

The fourth proportional to 366,202, 505,316.23 and 213,273.60 is: 294,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,202 : 505,316.23 = 213,273.60 : x
  2. Step 2: Convert to fraction form
    366,202/505,316.23 = 213,273.60/x
  3. Step 3: Cross multiply
    366,202x = 505,316.23 × 213,273.60
  4. Step 4: Simplify right side
    366,202x = 107,770,611,510.53
  5. Step 5: Solve for x
    x = 107,770,611,510.53/366,202
  6. Step 6: Final answer
    x = 294,292.80

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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.