Finding the Fourth Proportional to 103,640.53, 155,460.80 and 103,640.53
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Solution
The fourth proportional to 103,640.53, 155,460.80 and 103,640.53 is: 155,460.80
Step by Step Solution
- Step 1: Write the proportion equation
103,640.53 : 155,460.80 = 103,640.53 : x - Step 2: Convert to fraction form
103,640.53/155,460.80 = 103,640.53/x - Step 3: Cross multiply
103,640.53x = 155,460.80 × 103,640.53 - Step 4: Simplify right side
103,640.53x = 16,112,039,706.22 - Step 5: Solve for x
x = 16,112,039,706.22/103,640.53 - Step 6: Final answer
x = 155,460.80
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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.