Finding the Fourth Proportional to 246,225.51, 339,770.79 and 138,821.94
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Solution
The fourth proportional to 246,225.51, 339,770.79 and 138,821.94 is: 191,562.77
Step by Step Solution
- Step 1: Write the proportion equation
246,225.51 : 339,770.79 = 138,821.94 : x - Step 2: Convert to fraction form
246,225.51/339,770.79 = 138,821.94/x - Step 3: Cross multiply
246,225.51x = 339,770.79 × 138,821.94 - Step 4: Simplify right side
246,225.51x = 47,167,640,223.13 - Step 5: Solve for x
x = 47,167,640,223.13/246,225.51 - Step 6: Final answer
x = 191,562.77
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1.5x scale
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.