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Finding the Fourth Proportional to 232,957.25, 321,477.93 and 129,590.42

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Solution

The fourth proportional to 232,957.25, 321,477.93 and 129,590.42 is: 178,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,957.25 : 321,477.93 = 129,590.42 : x
  2. Step 2: Convert to fraction form
    232,957.25/321,477.93 = 129,590.42/x
  3. Step 3: Cross multiply
    232,957.25x = 321,477.93 × 129,590.42
  4. Step 4: Simplify right side
    232,957.25x = 41,660,458,362.04
  5. Step 5: Solve for x
    x = 41,660,458,362.04/232,957.25
  6. Step 6: Final answer
    x = 178,833.06

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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.