Finding the Fourth Proportional to 311,930.49, 467,895.62 and 122,480.00
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Solution
The fourth proportional to 311,930.49, 467,895.62 and 122,480.00 is: 183,719.95
Step by Step Solution
- Step 1: Write the proportion equation
311,930.49 : 467,895.62 = 122,480.00 : x - Step 2: Convert to fraction form
311,930.49/467,895.62 = 122,480.00/x - Step 3: Cross multiply
311,930.49x = 467,895.62 × 122,480.00 - Step 4: Simplify right side
311,930.49x = 57,307,855,258.93 - Step 5: Solve for x
x = 57,307,855,258.93/311,930.49 - Step 6: Final answer
x = 183,719.95
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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.