Finding the Fourth Proportional to 446,543.80, 669,815.70 and 236,591.80
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Solution
The fourth proportional to 446,543.80, 669,815.70 and 236,591.80 is: 354,887.70
Step by Step Solution
- Step 1: Write the proportion equation
446,543.80 : 669,815.70 = 236,591.80 : x - Step 2: Convert to fraction form
446,543.80/669,815.70 = 236,591.80/x - Step 3: Cross multiply
446,543.80x = 669,815.70 × 236,591.80 - Step 4: Simplify right side
446,543.80x = 158,472,902,131.26 - Step 5: Solve for x
x = 158,472,902,131.26/446,543.80 - Step 6: Final answer
x = 354,887.70
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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.