Finding the Fourth Proportional to 303,522.10, 454,918.65 and 125,937.70
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Solution
The fourth proportional to 303,522.10, 454,918.65 and 125,937.70 is: 188,755.31
Step by Step Solution
- Step 1: Write the proportion equation
303,522.10 : 454,918.65 = 125,937.70 : x - Step 2: Convert to fraction form
303,522.10/454,918.65 = 125,937.70/x - Step 3: Cross multiply
303,522.10x = 454,918.65 × 125,937.70 - Step 4: Simplify right side
303,522.10x = 57,291,408,468.11 - Step 5: Solve for x
x = 57,291,408,468.11/303,522.10 - Step 6: Final answer
x = 188,755.31
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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.