Finding the Fourth Proportional to 1,165,193.21, 1,747,789.95 and 355,581.88
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Solution
The fourth proportional to 1,165,193.21, 1,747,789.95 and 355,581.88 is: 533,372.86
Step by Step Solution
- Step 1: Write the proportion equation
1,165,193.21 : 1,747,789.95 = 355,581.88 : x - Step 2: Convert to fraction form
1,165,193.21/1,747,789.95 = 355,581.88/x - Step 3: Cross multiply
1,165,193.21x = 1,747,789.95 × 355,581.88 - Step 4: Simplify right side
1,165,193.21x = 621,482,431,896.63 - Step 5: Solve for x
x = 621,482,431,896.63/1,165,193.21 - Step 6: Final answer
x = 533,372.86
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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.