Finding the Fourth Proportional to 548,706.98, 822,893.07 and 193,638.08
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Solution
The fourth proportional to 548,706.98, 822,893.07 and 193,638.08 is: 290,398.05
Step by Step Solution
- Step 1: Write the proportion equation
548,706.98 : 822,893.07 = 193,638.08 : x - Step 2: Convert to fraction form
548,706.98/822,893.07 = 193,638.08/x - Step 3: Cross multiply
548,706.98x = 822,893.07 × 193,638.08 - Step 4: Simplify right side
548,706.98x = 159,343,436,903.48 - Step 5: Solve for x
x = 159,343,436,903.48/548,706.98 - Step 6: Final answer
x = 290,398.05
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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.