Finding the Fourth Proportional to 248,891.20, 373,293.60 and 91,038.40
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Solution
The fourth proportional to 248,891.20, 373,293.60 and 91,038.40 is: 136,541.80
Step by Step Solution
- Step 1: Write the proportion equation
248,891.20 : 373,293.60 = 91,038.40 : x - Step 2: Convert to fraction form
248,891.20/373,293.60 = 91,038.40/x - Step 3: Cross multiply
248,891.20x = 373,293.60 × 91,038.40 - Step 4: Simplify right side
248,891.20x = 33,984,052,074.24 - Step 5: Solve for x
x = 33,984,052,074.24/248,891.20 - Step 6: Final answer
x = 136,541.80
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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.