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Finding the Fourth Proportional to 255,339.93, 352,107.77 and 169,268.97

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Solution

The fourth proportional to 255,339.93, 352,107.77 and 169,268.97 is: 233,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,339.93 : 352,107.77 = 169,268.97 : x
  2. Step 2: Convert to fraction form
    255,339.93/352,107.77 = 169,268.97/x
  3. Step 3: Cross multiply
    255,339.93x = 352,107.77 × 169,268.97
  4. Step 4: Simplify right side
    255,339.93x = 59,600,918,710.55
  5. Step 5: Solve for x
    x = 59,600,918,710.55/255,339.93
  6. Step 6: Final answer
    x = 233,417.93

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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.