Finding the Fourth Proportional to 341,770.18, 512,364.46 and 208,743.76
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Solution
The fourth proportional to 341,770.18, 512,364.46 and 208,743.76 is: 312,938.02
Step by Step Solution
- Step 1: Write the proportion equation
341,770.18 : 512,364.46 = 208,743.76 : x - Step 2: Convert to fraction form
341,770.18/512,364.46 = 208,743.76/x - Step 3: Cross multiply
341,770.18x = 512,364.46 × 208,743.76 - Step 4: Simplify right side
341,770.18x = 106,952,883,870.77 - Step 5: Solve for x
x = 106,952,883,870.77/341,770.18 - Step 6: Final answer
x = 312,938.02
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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.