Finding the Fourth Proportional to 97,272.80, 145,795.80 and 44,687.60
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Solution
The fourth proportional to 97,272.80, 145,795.80 and 44,687.60 is: 66,979.30
Step by Step Solution
- Step 1: Write the proportion equation
97,272.80 : 145,795.80 = 44,687.60 : x - Step 2: Convert to fraction form
97,272.80/145,795.80 = 44,687.60/x - Step 3: Cross multiply
97,272.80x = 145,795.80 × 44,687.60 - Step 4: Simplify right side
97,272.80x = 6,515,264,392.08 - Step 5: Solve for x
x = 6,515,264,392.08/97,272.80 - Step 6: Final answer
x = 66,979.30
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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.