Finding the Fourth Proportional to 314,623.36, 434,210.79 and 193,845.88
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Solution
The fourth proportional to 314,623.36, 434,210.79 and 193,845.88 is: 267,526.14
Step by Step Solution
- Step 1: Write the proportion equation
314,623.36 : 434,210.79 = 193,845.88 : x - Step 2: Convert to fraction form
314,623.36/434,210.79 = 193,845.88/x - Step 3: Cross multiply
314,623.36x = 434,210.79 × 193,845.88 - Step 4: Simplify right side
314,623.36x = 84,169,972,693.05 - Step 5: Solve for x
x = 84,169,972,693.05/314,623.36 - Step 6: Final answer
x = 267,526.14
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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.