Finding the Fourth Proportional to 180,074.48, 270,281.21 and 91,391.63
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Solution
The fourth proportional to 180,074.48, 270,281.21 and 91,391.63 is: 137,173.46
Step by Step Solution
- Step 1: Write the proportion equation
180,074.48 : 270,281.21 = 91,391.63 : x - Step 2: Convert to fraction form
180,074.48/270,281.21 = 91,391.63/x - Step 3: Cross multiply
180,074.48x = 270,281.21 × 91,391.63 - Step 4: Simplify right side
180,074.48x = 24,701,438,531.91 - Step 5: Solve for x
x = 24,701,438,531.91/180,074.48 - Step 6: Final answer
x = 137,173.46
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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.