Finding the Fourth Proportional to 155,268.09, 214,268.90 and 88,200.09
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Solution
The fourth proportional to 155,268.09, 214,268.90 and 88,200.09 is: 121,715.52
Step by Step Solution
- Step 1: Write the proportion equation
155,268.09 : 214,268.90 = 88,200.09 : x - Step 2: Convert to fraction form
155,268.09/214,268.90 = 88,200.09/x - Step 3: Cross multiply
155,268.09x = 214,268.90 × 88,200.09 - Step 4: Simplify right side
155,268.09x = 18,898,535,823.20 - Step 5: Solve for x
x = 18,898,535,823.20/155,268.09 - Step 6: Final answer
x = 121,715.52
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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.