Finding the Fourth Proportional to 167,321.88, 251,075.08 and 78,573.08
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Solution
The fourth proportional to 167,321.88, 251,075.08 and 78,573.08 is: 117,902.94
Step by Step Solution
- Step 1: Write the proportion equation
167,321.88 : 251,075.08 = 78,573.08 : x - Step 2: Convert to fraction form
167,321.88/251,075.08 = 78,573.08/x - Step 3: Cross multiply
167,321.88x = 251,075.08 × 78,573.08 - Step 4: Simplify right side
167,321.88x = 19,727,742,346.85 - Step 5: Solve for x
x = 19,727,742,346.85/167,321.88 - Step 6: Final answer
x = 117,902.94
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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.