Finding the Fourth Proportional to 143,370.27, 214,817.81 and 49,824.99
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Solution
The fourth proportional to 143,370.27, 214,817.81 and 49,824.99 is: 74,654.91
Step by Step Solution
- Step 1: Write the proportion equation
143,370.27 : 214,817.81 = 49,824.99 : x - Step 2: Convert to fraction form
143,370.27/214,817.81 = 49,824.99/x - Step 3: Cross multiply
143,370.27x = 214,817.81 × 49,824.99 - Step 4: Simplify right side
143,370.27x = 10,703,294,985.95 - Step 5: Solve for x
x = 10,703,294,985.95/143,370.27 - Step 6: Final answer
x = 74,654.91
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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.