Finding the Fourth Proportional to 547,352.29, 820,693.09 and 192,407.05
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Solution
The fourth proportional to 547,352.29, 820,693.09 and 192,407.05 is: 288,492.69
Step by Step Solution
- Step 1: Write the proportion equation
547,352.29 : 820,693.09 = 192,407.05 : x - Step 2: Convert to fraction form
547,352.29/820,693.09 = 192,407.05/x - Step 3: Cross multiply
547,352.29x = 820,693.09 × 192,407.05 - Step 4: Simplify right side
547,352.29x = 157,907,136,402.29 - Step 5: Solve for x
x = 157,907,136,402.29/547,352.29 - Step 6: Final answer
x = 288,492.69
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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.