Finding the Fourth Proportional to 167,880.18, 251,907.75 and 74,364.06
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Solution
The fourth proportional to 167,880.18, 251,907.75 and 74,364.06 is: 111,584.84
Step by Step Solution
- Step 1: Write the proportion equation
167,880.18 : 251,907.75 = 74,364.06 : x - Step 2: Convert to fraction form
167,880.18/251,907.75 = 74,364.06/x - Step 3: Cross multiply
167,880.18x = 251,907.75 × 74,364.06 - Step 4: Simplify right side
167,880.18x = 18,732,883,035.47 - Step 5: Solve for x
x = 18,732,883,035.47/167,880.18 - Step 6: Final answer
x = 111,584.84
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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.