Finding the Fourth Proportional to 119,316.12, 178,862.40 and 40,375.08
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Solution
The fourth proportional to 119,316.12, 178,862.40 and 40,375.08 is: 60,524.80
Step by Step Solution
- Step 1: Write the proportion equation
119,316.12 : 178,862.40 = 40,375.08 : x - Step 2: Convert to fraction form
119,316.12/178,862.40 = 40,375.08/x - Step 3: Cross multiply
119,316.12x = 178,862.40 × 40,375.08 - Step 4: Simplify right side
119,316.12x = 7,221,583,708.99 - Step 5: Solve for x
x = 7,221,583,708.99/119,316.12 - Step 6: Final answer
x = 60,524.80
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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.