Finding the Fourth Proportional to 304,425.50, 420,191.64 and 177,125.70
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Solution
The fourth proportional to 304,425.50, 420,191.64 and 177,125.70 is: 244,482.60
Step by Step Solution
- Step 1: Write the proportion equation
304,425.50 : 420,191.64 = 177,125.70 : x - Step 2: Convert to fraction form
304,425.50/420,191.64 = 177,125.70/x - Step 3: Cross multiply
304,425.50x = 420,191.64 × 177,125.70 - Step 4: Simplify right side
304,425.50x = 74,426,738,369.15 - Step 5: Solve for x
x = 74,426,738,369.15/304,425.50 - Step 6: Final answer
x = 244,482.60
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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.