Finding the Fourth Proportional to 234,486.70, 351,805.39 and 76,679.26
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Solution
The fourth proportional to 234,486.70, 351,805.39 and 76,679.26 is: 115,043.53
Step by Step Solution
- Step 1: Write the proportion equation
234,486.70 : 351,805.39 = 76,679.26 : x - Step 2: Convert to fraction form
234,486.70/351,805.39 = 76,679.26/x - Step 3: Cross multiply
234,486.70x = 351,805.39 × 76,679.26 - Step 4: Simplify right side
234,486.70x = 26,976,176,969.21 - Step 5: Solve for x
x = 26,976,176,969.21/234,486.70 - Step 6: Final answer
x = 115,043.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.