Finding the Fourth Proportional to 145,279.44, 217,902.84 and 40,113.36
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Solution
The fourth proportional to 145,279.44, 217,902.84 and 40,113.36 is: 60,165.53
Step by Step Solution
- Step 1: Write the proportion equation
145,279.44 : 217,902.84 = 40,113.36 : x - Step 2: Convert to fraction form
145,279.44/217,902.84 = 40,113.36/x - Step 3: Cross multiply
145,279.44x = 217,902.84 × 40,113.36 - Step 4: Simplify right side
145,279.44x = 8,740,815,065.94 - Step 5: Solve for x
x = 8,740,815,065.94/145,279.44 - Step 6: Final answer
x = 60,165.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.