Finding the Fourth Proportional to 686,302.15, 1,029,616.29 and 237,026.74
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Solution
The fourth proportional to 686,302.15, 1,029,616.29 and 237,026.74 is: 355,596.43
Step by Step Solution
- Step 1: Write the proportion equation
686,302.15 : 1,029,616.29 = 237,026.74 : x - Step 2: Convert to fraction form
686,302.15/1,029,616.29 = 237,026.74/x - Step 3: Cross multiply
686,302.15x = 1,029,616.29 × 237,026.74 - Step 4: Simplify right side
686,302.15x = 244,046,592,669.60 - Step 5: Solve for x
x = 244,046,592,669.60/686,302.15 - Step 6: Final answer
x = 355,596.43
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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.