Finding the Fourth Proportional to 311,881.05, 467,821.58 and 292,198.05
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Solution
The fourth proportional to 311,881.05, 467,821.58 and 292,198.05 is: 438,297.08
Step by Step Solution
- Step 1: Write the proportion equation
311,881.05 : 467,821.58 = 292,198.05 : x - Step 2: Convert to fraction form
311,881.05/467,821.58 = 292,198.05/x - Step 3: Cross multiply
311,881.05x = 467,821.58 × 292,198.05 - Step 4: Simplify right side
311,881.05x = 136,696,551,962.93 - Step 5: Solve for x
x = 136,696,551,962.93/311,881.05 - Step 6: Final answer
x = 438,297.08
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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.