Finding the Fourth Proportional to 103,630.80, 155,445.84 and 44,428.08
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Solution
The fourth proportional to 103,630.80, 155,445.84 and 44,428.08 is: 66,641.97
Step by Step Solution
- Step 1: Write the proportion equation
103,630.80 : 155,445.84 = 44,428.08 : x - Step 2: Convert to fraction form
103,630.80/155,445.84 = 44,428.08/x - Step 3: Cross multiply
103,630.80x = 155,445.84 × 44,428.08 - Step 4: Simplify right side
103,630.80x = 6,906,160,215.19 - Step 5: Solve for x
x = 6,906,160,215.19/103,630.80 - Step 6: Final answer
x = 66,641.97
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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.