Finding the Fourth Proportional to 224,734.75, 310,135.01 and 122,761.62
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Solution
The fourth proportional to 224,734.75, 310,135.01 and 122,761.62 is: 169,411.61
Step by Step Solution
- Step 1: Write the proportion equation
224,734.75 : 310,135.01 = 122,761.62 : x - Step 2: Convert to fraction form
224,734.75/310,135.01 = 122,761.62/x - Step 3: Cross multiply
224,734.75x = 310,135.01 × 122,761.62 - Step 4: Simplify right side
224,734.75x = 38,072,675,632.51 - Step 5: Solve for x
x = 38,072,675,632.51/224,734.75 - Step 6: Final answer
x = 169,411.61
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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.