Finding the Fourth Proportional to 389,105.19, 583,482.83 and 376,857.99
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Solution
The fourth proportional to 389,105.19, 583,482.83 and 376,857.99 is: 565,117.53
Step by Step Solution
- Step 1: Write the proportion equation
389,105.19 : 583,482.83 = 376,857.99 : x - Step 2: Convert to fraction form
389,105.19/583,482.83 = 376,857.99/x - Step 3: Cross multiply
389,105.19x = 583,482.83 × 376,857.99 - Step 4: Simplify right side
389,105.19x = 219,890,164,629.02 - Step 5: Solve for x
x = 219,890,164,629.02/389,105.19 - Step 6: Final answer
x = 565,117.53
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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.