Finding the Fourth Proportional to 434,561.70, 651,842.55 and 247,937.70
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Solution
The fourth proportional to 434,561.70, 651,842.55 and 247,937.70 is: 371,906.55
Step by Step Solution
- Step 1: Write the proportion equation
434,561.70 : 651,842.55 = 247,937.70 : x - Step 2: Convert to fraction form
434,561.70/651,842.55 = 247,937.70/x - Step 3: Cross multiply
434,561.70x = 651,842.55 × 247,937.70 - Step 4: Simplify right side
434,561.70x = 161,616,342,609.14 - Step 5: Solve for x
x = 161,616,342,609.14/434,561.70 - Step 6: Final answer
x = 371,906.55
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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.