Finding the Fourth Proportional to 100,854.26, 151,297.81 and 29,784.08
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Solution
The fourth proportional to 100,854.26, 151,297.81 and 29,784.08 is: 44,680.97
Step by Step Solution
- Step 1: Write the proportion equation
100,854.26 : 151,297.81 = 29,784.08 : x - Step 2: Convert to fraction form
100,854.26/151,297.81 = 29,784.08/x - Step 3: Cross multiply
100,854.26x = 151,297.81 × 29,784.08 - Step 4: Simplify right side
100,854.26x = 4,506,266,306.19 - Step 5: Solve for x
x = 4,506,266,306.19/100,854.26 - Step 6: Final answer
x = 44,680.97
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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.