Finding the Fourth Proportional to 178,878.88, 246,961.04 and 118,500.96
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Solution
The fourth proportional to 178,878.88, 246,961.04 and 118,500.96 is: 163,602.99
Step by Step Solution
- Step 1: Write the proportion equation
178,878.88 : 246,961.04 = 118,500.96 : x - Step 2: Convert to fraction form
178,878.88/246,961.04 = 118,500.96/x - Step 3: Cross multiply
178,878.88x = 246,961.04 × 118,500.96 - Step 4: Simplify right side
178,878.88x = 29,265,120,322.60 - Step 5: Solve for x
x = 29,265,120,322.60/178,878.88 - Step 6: Final answer
x = 163,602.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.