Finding the Fourth Proportional to 287,135.43, 429,950.67 and 202,437.02
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Solution
The fourth proportional to 287,135.43, 429,950.67 and 202,437.02 is: 303,125.02
Step by Step Solution
- Step 1: Write the proportion equation
287,135.43 : 429,950.67 = 202,437.02 : x - Step 2: Convert to fraction form
287,135.43/429,950.67 = 202,437.02/x - Step 3: Cross multiply
287,135.43x = 429,950.67 × 202,437.02 - Step 4: Simplify right side
287,135.43x = 87,037,930,232.05 - Step 5: Solve for x
x = 87,037,930,232.05/287,135.43 - Step 6: Final answer
x = 303,125.02
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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.