Finding the Fourth Proportional to 221,194.73, 331,791.07 and 69,402.93
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Solution
The fourth proportional to 221,194.73, 331,791.07 and 69,402.93 is: 104,104.07
Step by Step Solution
- Step 1: Write the proportion equation
221,194.73 : 331,791.07 = 69,402.93 : x - Step 2: Convert to fraction form
221,194.73/331,791.07 = 69,402.93/x - Step 3: Cross multiply
221,194.73x = 331,791.07 × 69,402.93 - Step 4: Simplify right side
221,194.73x = 23,027,271,118.24 - Step 5: Solve for x
x = 23,027,271,118.24/221,194.73 - Step 6: Final answer
x = 104,104.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.