Finding the Fourth Proportional to 248,616.80, 372,925.20 and 214,791.20
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Solution
The fourth proportional to 248,616.80, 372,925.20 and 214,791.20 is: 322,186.80
Step by Step Solution
- Step 1: Write the proportion equation
248,616.80 : 372,925.20 = 214,791.20 : x - Step 2: Convert to fraction form
248,616.80/372,925.20 = 214,791.20/x - Step 3: Cross multiply
248,616.80x = 372,925.20 × 214,791.20 - Step 4: Simplify right side
248,616.80x = 80,101,051,218.24 - Step 5: Solve for x
x = 80,101,051,218.24/248,616.80 - Step 6: Final answer
x = 322,186.80
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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.