Finding the Fourth Proportional to 305,821.44, 457,909.92 and 249,428.88
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Solution
The fourth proportional to 305,821.44, 457,909.92 and 249,428.88 is: 373,472.70
Step by Step Solution
- Step 1: Write the proportion equation
305,821.44 : 457,909.92 = 249,428.88 : x - Step 2: Convert to fraction form
305,821.44/457,909.92 = 249,428.88/x - Step 3: Cross multiply
305,821.44x = 457,909.92 × 249,428.88 - Step 4: Simplify right side
305,821.44x = 114,215,958,486.49 - Step 5: Solve for x
x = 114,215,958,486.49/305,821.44 - Step 6: Final answer
x = 373,472.70
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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.