Finding the Fourth Proportional to 1,230,140.70, 1,845,211.05 and 343,676.70
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Solution
The fourth proportional to 1,230,140.70, 1,845,211.05 and 343,676.70 is: 515,515.05
Step by Step Solution
- Step 1: Write the proportion equation
1,230,140.70 : 1,845,211.05 = 343,676.70 : x - Step 2: Convert to fraction form
1,230,140.70/1,845,211.05 = 343,676.70/x - Step 3: Cross multiply
1,230,140.70x = 1,845,211.05 × 343,676.70 - Step 4: Simplify right side
1,230,140.70x = 634,156,044,467.54 - Step 5: Solve for x
x = 634,156,044,467.54/1,230,140.70 - Step 6: Final answer
x = 515,515.05
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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.