Finding the Fourth Proportional to 434,402.19, 599,119.61 and 305,766.50
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Solution
The fourth proportional to 434,402.19, 599,119.61 and 305,766.50 is: 421,707.59
Step by Step Solution
- Step 1: Write the proportion equation
434,402.19 : 599,119.61 = 305,766.50 : x - Step 2: Convert to fraction form
434,402.19/599,119.61 = 305,766.50/x - Step 3: Cross multiply
434,402.19x = 599,119.61 × 305,766.50 - Step 4: Simplify right side
434,402.19x = 183,190,701,706.63 - Step 5: Solve for x
x = 183,190,701,706.63/434,402.19 - Step 6: Final answer
x = 421,707.59
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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.