Finding the Fourth Proportional to 178,820.58, 246,880.77 and 118,442.98
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Solution
The fourth proportional to 178,820.58, 246,880.77 and 118,442.98 is: 163,523.09
Step by Step Solution
- Step 1: Write the proportion equation
178,820.58 : 246,880.77 = 118,442.98 : x - Step 2: Convert to fraction form
178,820.58/246,880.77 = 118,442.98/x - Step 3: Cross multiply
178,820.58x = 246,880.77 × 118,442.98 - Step 4: Simplify right side
178,820.58x = 29,241,294,103.49 - Step 5: Solve for x
x = 29,241,294,103.49/178,820.58 - Step 6: Final answer
x = 163,523.09
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1.5x scale
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.