Finding the Fourth Proportional to 314,691.08, 434,278.67 and 171,451.08
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Solution
The fourth proportional to 314,691.08, 434,278.67 and 171,451.08 is: 236,605.20
Step by Step Solution
- Step 1: Write the proportion equation
314,691.08 : 434,278.67 = 171,451.08 : x - Step 2: Convert to fraction form
314,691.08/434,278.67 = 171,451.08/x - Step 3: Cross multiply
314,691.08x = 434,278.67 × 171,451.08 - Step 4: Simplify right side
314,691.08x = 74,457,546,135.21 - Step 5: Solve for x
x = 74,457,546,135.21/314,691.08 - Step 6: Final answer
x = 236,605.20
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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.