Finding the Fourth Proportional to 311,886.92, 467,651.30 and 122,125.10
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Solution
The fourth proportional to 311,886.92, 467,651.30 and 122,125.10 is: 183,117.53
Step by Step Solution
- Step 1: Write the proportion equation
311,886.92 : 467,651.30 = 122,125.10 : x - Step 2: Convert to fraction form
311,886.92/467,651.30 = 122,125.10/x - Step 3: Cross multiply
311,886.92x = 467,651.30 × 122,125.10 - Step 4: Simplify right side
311,886.92x = 57,111,962,336.13 - Step 5: Solve for x
x = 57,111,962,336.13/311,886.92 - Step 6: Final answer
x = 183,117.53
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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.