Finding the Fourth Proportional to 167,907.40, 251,702.74 and 83,587.75
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Solution
The fourth proportional to 167,907.40, 251,702.74 and 83,587.75 is: 125,302.79
Step by Step Solution
- Step 1: Write the proportion equation
167,907.40 : 251,702.74 = 83,587.75 : x - Step 2: Convert to fraction form
167,907.40/251,702.74 = 83,587.75/x - Step 3: Cross multiply
167,907.40x = 251,702.74 × 83,587.75 - Step 4: Simplify right side
167,907.40x = 21,039,265,705.44 - Step 5: Solve for x
x = 21,039,265,705.44/167,907.40 - Step 6: Final answer
x = 125,302.79
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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.