Finding the Fourth Proportional to 663,308.29, 994,252.96 and 343,137.88
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Solution
The fourth proportional to 663,308.29, 994,252.96 and 343,137.88 is: 514,339.80
Step by Step Solution
- Step 1: Write the proportion equation
663,308.29 : 994,252.96 = 343,137.88 : x - Step 2: Convert to fraction form
663,308.29/994,252.96 = 343,137.88/x - Step 3: Cross multiply
663,308.29x = 994,252.96 × 343,137.88 - Step 4: Simplify right side
663,308.29x = 341,165,852,878.13 - Step 5: Solve for x
x = 341,165,852,878.13/663,308.29 - Step 6: Final answer
x = 514,339.80
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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.