Finding the Fourth Proportional to 246,331.13, 339,937.36 and 133,153.88
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Solution
The fourth proportional to 246,331.13, 339,937.36 and 133,153.88 is: 183,752.57
Step by Step Solution
- Step 1: Write the proportion equation
246,331.13 : 339,937.36 = 133,153.88 : x - Step 2: Convert to fraction form
246,331.13/339,937.36 = 133,153.88/x - Step 3: Cross multiply
246,331.13x = 339,937.36 × 133,153.88 - Step 4: Simplify right side
246,331.13x = 45,263,976,408.39 - Step 5: Solve for x
x = 45,263,976,408.39/246,331.13 - Step 6: Final answer
x = 183,752.57
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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.