Finding the Fourth Proportional to 155,433.23, 214,497.87 and 88,365.23
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Solution
The fourth proportional to 155,433.23, 214,497.87 and 88,365.23 is: 121,944.03
Step by Step Solution
- Step 1: Write the proportion equation
155,433.23 : 214,497.87 = 88,365.23 : x - Step 2: Convert to fraction form
155,433.23/214,497.87 = 88,365.23/x - Step 3: Cross multiply
155,433.23x = 214,497.87 × 88,365.23 - Step 4: Simplify right side
155,433.23x = 18,954,154,721.17 - Step 5: Solve for x
x = 18,954,154,721.17/155,433.23 - Step 6: Final answer
x = 121,944.03
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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.