Finding the Fourth Proportional to 156,442.82, 234,281.49 and 141,279.63
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Solution
The fourth proportional to 156,442.82, 234,281.49 and 141,279.63 is: 211,573.80
Step by Step Solution
- Step 1: Write the proportion equation
156,442.82 : 234,281.49 = 141,279.63 : x - Step 2: Convert to fraction form
156,442.82/234,281.49 = 141,279.63/x - Step 3: Cross multiply
156,442.82x = 234,281.49 × 141,279.63 - Step 4: Simplify right side
156,442.82x = 33,099,202,223.05 - Step 5: Solve for x
x = 33,099,202,223.05/156,442.82 - Step 6: Final answer
x = 211,573.80
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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.