Finding the Fourth Proportional to 486,006.96, 670,702.80 and 304,701.84
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Solution
The fourth proportional to 486,006.96, 670,702.80 and 304,701.84 is: 420,496.81
Step by Step Solution
- Step 1: Write the proportion equation
486,006.96 : 670,702.80 = 304,701.84 : x - Step 2: Convert to fraction form
486,006.96/670,702.80 = 304,701.84/x - Step 3: Cross multiply
486,006.96x = 670,702.80 × 304,701.84 - Step 4: Simplify right side
486,006.96x = 204,364,377,253.15 - Step 5: Solve for x
x = 204,364,377,253.15/486,006.96 - Step 6: Final answer
x = 420,496.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.