Finding the Fourth Proportional to 155,183.63, 214,153.63 and 88,115.63
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Solution
The fourth proportional to 155,183.63, 214,153.63 and 88,115.63 is: 121,599.69
Step by Step Solution
- Step 1: Write the proportion equation
155,183.63 : 214,153.63 = 88,115.63 : x - Step 2: Convert to fraction form
155,183.63/214,153.63 = 88,115.63/x - Step 3: Cross multiply
155,183.63x = 214,153.63 × 88,115.63 - Step 4: Simplify right side
155,183.63x = 18,870,280,733.18 - Step 5: Solve for x
x = 18,870,280,733.18/155,183.63 - Step 6: Final answer
x = 121,599.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.