Finding the Fourth Proportional to 145,045.14, 217,578.18 and 60,720.49
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Solution
The fourth proportional to 145,045.14, 217,578.18 and 60,720.49 is: 91,085.12
Step by Step Solution
- Step 1: Write the proportion equation
145,045.14 : 217,578.18 = 60,720.49 : x - Step 2: Convert to fraction form
145,045.14/217,578.18 = 60,720.49/x - Step 3: Cross multiply
145,045.14x = 217,578.18 × 60,720.49 - Step 4: Simplify right side
145,045.14x = 13,211,453,702.91 - Step 5: Solve for x
x = 13,211,453,702.91/145,045.14 - Step 6: Final answer
x = 91,085.12
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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.