Finding the Fourth Proportional to 165,791.88, 248,775.84 and 72,304.92
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Solution
The fourth proportional to 165,791.88, 248,775.84 and 72,304.92 is: 108,495.77
Step by Step Solution
- Step 1: Write the proportion equation
165,791.88 : 248,775.84 = 72,304.92 : x - Step 2: Convert to fraction form
165,791.88/248,775.84 = 72,304.92/x - Step 3: Cross multiply
165,791.88x = 248,775.84 × 72,304.92 - Step 4: Simplify right side
165,791.88x = 17,987,717,209.13 - Step 5: Solve for x
x = 17,987,717,209.13/165,791.88 - Step 6: Final answer
x = 108,495.77
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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.