Finding the Fourth Proportional to 342,821.50, 473,220.61 and 206,861.18
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Solution
The fourth proportional to 342,821.50, 473,220.61 and 206,861.18 is: 285,545.02
Step by Step Solution
- Step 1: Write the proportion equation
342,821.50 : 473,220.61 = 206,861.18 : x - Step 2: Convert to fraction form
342,821.50/473,220.61 = 206,861.18/x - Step 3: Cross multiply
342,821.50x = 473,220.61 × 206,861.18 - Step 4: Simplify right side
342,821.50x = 97,890,973,784.92 - Step 5: Solve for x
x = 97,890,973,784.92/342,821.50 - Step 6: Final answer
x = 285,545.02
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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.