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Finding the Fourth Proportional to 417,751.83, 576,287.87 and 281,613.51

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Solution

The fourth proportional to 417,751.83, 576,287.87 and 281,613.51 is: 388,485.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,751.83 : 576,287.87 = 281,613.51 : x
  2. Step 2: Convert to fraction form
    417,751.83/576,287.87 = 281,613.51/x
  3. Step 3: Cross multiply
    417,751.83x = 576,287.87 × 281,613.51
  4. Step 4: Simplify right side
    417,751.83x = 162,290,448,433.06
  5. Step 5: Solve for x
    x = 162,290,448,433.06/417,751.83
  6. Step 6: Final answer
    x = 388,485.31

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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.