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Finding the Fourth Proportional to 366,601.80, 505,902.06 and 213,630.24

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Solution

The fourth proportional to 366,601.80, 505,902.06 and 213,630.24 is: 294,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,601.80 : 505,902.06 = 213,630.24 : x
  2. Step 2: Convert to fraction form
    366,601.80/505,902.06 = 213,630.24/x
  3. Step 3: Cross multiply
    366,601.80x = 505,902.06 × 213,630.24
  4. Step 4: Simplify right side
    366,601.80x = 108,075,978,494.29
  5. Step 5: Solve for x
    x = 108,075,978,494.29/366,601.80
  6. Step 6: Final answer
    x = 294,804.82

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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.