Finding the Fourth Proportional to 183,449.70, 253,053.18 and 115,358.94
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Solution
The fourth proportional to 183,449.70, 253,053.18 and 115,358.94 is: 159,127.80
Step by Step Solution
- Step 1: Write the proportion equation
183,449.70 : 253,053.18 = 115,358.94 : x - Step 2: Convert to fraction form
183,449.70/253,053.18 = 115,358.94/x - Step 3: Cross multiply
183,449.70x = 253,053.18 × 115,358.94 - Step 4: Simplify right side
183,449.70x = 29,191,946,608.43 - Step 5: Solve for x
x = 29,191,946,608.43/183,449.70 - Step 6: Final answer
x = 159,127.80
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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.