Finding the Fourth Proportional to 236,968.94, 355,414.88 and 79,197.14
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Solution
The fourth proportional to 236,968.94, 355,414.88 and 79,197.14 is: 118,782.83
Step by Step Solution
- Step 1: Write the proportion equation
236,968.94 : 355,414.88 = 79,197.14 : x - Step 2: Convert to fraction form
236,968.94/355,414.88 = 79,197.14/x - Step 3: Cross multiply
236,968.94x = 355,414.88 × 79,197.14 - Step 4: Simplify right side
236,968.94x = 28,147,842,009.44 - Step 5: Solve for x
x = 28,147,842,009.44/236,968.94 - Step 6: Final answer
x = 118,782.83
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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.