Finding the Fourth Proportional to 212,035.70, 292,604.27 and 115,237.26
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Solution
The fourth proportional to 212,035.70, 292,604.27 and 115,237.26 is: 159,024.70
Step by Step Solution
- Step 1: Write the proportion equation
212,035.70 : 292,604.27 = 115,237.26 : x - Step 2: Convert to fraction form
212,035.70/292,604.27 = 115,237.26/x - Step 3: Cross multiply
212,035.70x = 292,604.27 × 115,237.26 - Step 4: Simplify right side
212,035.70x = 33,718,914,339.10 - Step 5: Solve for x
x = 33,718,914,339.10/212,035.70 - Step 6: Final answer
x = 159,024.70
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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.