Finding the Fourth Proportional to 145,702.23, 218,495.84 and 70,800.18
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Solution
The fourth proportional to 145,702.23, 218,495.84 and 70,800.18 is: 106,172.32
Step by Step Solution
- Step 1: Write the proportion equation
145,702.23 : 218,495.84 = 70,800.18 : x - Step 2: Convert to fraction form
145,702.23/218,495.84 = 70,800.18/x - Step 3: Cross multiply
145,702.23x = 218,495.84 × 70,800.18 - Step 4: Simplify right side
145,702.23x = 15,469,544,447.25 - Step 5: Solve for x
x = 15,469,544,447.25/145,702.23 - Step 6: Final answer
x = 106,172.32
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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.