Finding the Fourth Proportional to 219,316.70, 328,197.45 and 149,332.70
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Solution
The fourth proportional to 219,316.70, 328,197.45 and 149,332.70 is: 223,469.58
Step by Step Solution
- Step 1: Write the proportion equation
219,316.70 : 328,197.45 = 149,332.70 : x - Step 2: Convert to fraction form
219,316.70/328,197.45 = 149,332.70/x - Step 3: Cross multiply
219,316.70x = 328,197.45 × 149,332.70 - Step 4: Simplify right side
219,316.70x = 49,010,611,341.62 - Step 5: Solve for x
x = 49,010,611,341.62/219,316.70 - Step 6: Final answer
x = 223,469.58
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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.