Finding the Fourth Proportional to 145,652.19, 218,503.26 and 66,773.18
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Solution
The fourth proportional to 145,652.19, 218,503.26 and 66,773.18 is: 100,171.21
Step by Step Solution
- Step 1: Write the proportion equation
145,652.19 : 218,503.26 = 66,773.18 : x - Step 2: Convert to fraction form
145,652.19/218,503.26 = 66,773.18/x - Step 3: Cross multiply
145,652.19x = 218,503.26 × 66,773.18 - Step 4: Simplify right side
145,652.19x = 14,590,156,418.05 - Step 5: Solve for x
x = 14,590,156,418.05/145,652.19 - Step 6: Final answer
x = 100,171.21
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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.