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Finding the Fourth Proportional to 174,268.83, 260,222.83 and 138,326.91

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Solution

The fourth proportional to 174,268.83, 260,222.83 and 138,326.91 is: 206,553.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,268.83 : 260,222.83 = 138,326.91 : x
  2. Step 2: Convert to fraction form
    174,268.83/260,222.83 = 138,326.91/x
  3. Step 3: Cross multiply
    174,268.83x = 260,222.83 × 138,326.91
  4. Step 4: Simplify right side
    174,268.83x = 35,995,819,985.36
  5. Step 5: Solve for x
    x = 35,995,819,985.36/174,268.83
  6. Step 6: Final answer
    x = 206,553.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.