Finding the Fourth Proportional to 437,916.21, 604,324.10 and 236,712.21
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Solution
The fourth proportional to 437,916.21, 604,324.10 and 236,712.21 is: 326,662.70
Step by Step Solution
- Step 1: Write the proportion equation
437,916.21 : 604,324.10 = 236,712.21 : x - Step 2: Convert to fraction form
437,916.21/604,324.10 = 236,712.21/x - Step 3: Cross multiply
437,916.21x = 604,324.10 × 236,712.21 - Step 4: Simplify right side
437,916.21x = 143,050,892,083.70 - Step 5: Solve for x
x = 143,050,892,083.70/437,916.21 - Step 6: Final answer
x = 326,662.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.