Finding the Fourth Proportional to 155,571.16, 233,298.36 and 122,678.68
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Solution
The fourth proportional to 155,571.16, 233,298.36 and 122,678.68 is: 183,971.98
Step by Step Solution
- Step 1: Write the proportion equation
155,571.16 : 233,298.36 = 122,678.68 : x - Step 2: Convert to fraction form
155,571.16/233,298.36 = 122,678.68/x - Step 3: Cross multiply
155,571.16x = 233,298.36 × 122,678.68 - Step 4: Simplify right side
155,571.16x = 28,620,734,850.96 - Step 5: Solve for x
x = 28,620,734,850.96/155,571.16 - Step 6: Final answer
x = 183,971.98
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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.