Finding the Fourth Proportional to 248,178.80, 372,268.20 and 178,713.20
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Solution
The fourth proportional to 248,178.80, 372,268.20 and 178,713.20 is: 268,069.80
Step by Step Solution
- Step 1: Write the proportion equation
248,178.80 : 372,268.20 = 178,713.20 : x - Step 2: Convert to fraction form
248,178.80/372,268.20 = 178,713.20/x - Step 3: Cross multiply
248,178.80x = 372,268.20 × 178,713.20 - Step 4: Simplify right side
248,178.80x = 66,529,241,280.24 - Step 5: Solve for x
x = 66,529,241,280.24/248,178.80 - Step 6: Final answer
x = 268,069.80
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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.