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Finding the Fourth Proportional to 344,801.13, 475,714.80 and 208,791.60

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Solution

The fourth proportional to 344,801.13, 475,714.80 and 208,791.60 is: 288,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,801.13 : 475,714.80 = 208,791.60 : x
  2. Step 2: Convert to fraction form
    344,801.13/475,714.80 = 208,791.60/x
  3. Step 3: Cross multiply
    344,801.13x = 475,714.80 × 208,791.60
  4. Step 4: Simplify right side
    344,801.13x = 99,325,254,235.68
  5. Step 5: Solve for x
    x = 99,325,254,235.68/344,801.13
  6. Step 6: Final answer
    x = 288,065.34

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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.