Finding the Fourth Proportional to 103,618.80, 155,427.84 and 44,416.08
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Solution
The fourth proportional to 103,618.80, 155,427.84 and 44,416.08 is: 66,623.97
Step by Step Solution
- Step 1: Write the proportion equation
103,618.80 : 155,427.84 = 44,416.08 : x - Step 2: Convert to fraction form
103,618.80/155,427.84 = 44,416.08/x - Step 3: Cross multiply
103,618.80x = 155,427.84 × 44,416.08 - Step 4: Simplify right side
103,618.80x = 6,903,495,375.67 - Step 5: Solve for x
x = 6,903,495,375.67/103,618.80 - Step 6: Final answer
x = 66,623.97
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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.