Finding the Fourth Proportional to 455,109.26, 682,968.62 and 188,870.02
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Solution
The fourth proportional to 455,109.26, 682,968.62 and 188,870.02 is: 283,431.49
Step by Step Solution
- Step 1: Write the proportion equation
455,109.26 : 682,968.62 = 188,870.02 : x - Step 2: Convert to fraction form
455,109.26/682,968.62 = 188,870.02/x - Step 3: Cross multiply
455,109.26x = 682,968.62 × 188,870.02 - Step 4: Simplify right side
455,109.26x = 128,992,295,683.53 - Step 5: Solve for x
x = 128,992,295,683.53/455,109.26 - Step 6: Final answer
x = 283,431.49
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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.