Finding the Fourth Proportional to 303,307.20, 454,960.80 and 214,733.70
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Solution
The fourth proportional to 303,307.20, 454,960.80 and 214,733.70 is: 322,100.55
Step by Step Solution
- Step 1: Write the proportion equation
303,307.20 : 454,960.80 = 214,733.70 : x - Step 2: Convert to fraction form
303,307.20/454,960.80 = 214,733.70/x - Step 3: Cross multiply
303,307.20x = 454,960.80 × 214,733.70 - Step 4: Simplify right side
303,307.20x = 97,695,415,938.96 - Step 5: Solve for x
x = 97,695,415,938.96/303,307.20 - Step 6: Final answer
x = 322,100.55
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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.