Finding the Fourth Proportional to 343,178.75, 473,586.68 and 209,042.75
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Solution
The fourth proportional to 343,178.75, 473,586.68 and 209,042.75 is: 288,479.00
Step by Step Solution
- Step 1: Write the proportion equation
343,178.75 : 473,586.68 = 209,042.75 : x - Step 2: Convert to fraction form
343,178.75/473,586.68 = 209,042.75/x - Step 3: Cross multiply
343,178.75x = 473,586.68 × 209,042.75 - Step 4: Simplify right side
343,178.75x = 98,999,861,950.57 - Step 5: Solve for x
x = 98,999,861,950.57/343,178.75 - Step 6: Final answer
x = 288,479.00
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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.