Finding the Fourth Proportional to 263,307.84, 394,043.04 and 215,368.80
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Solution
The fourth proportional to 263,307.84, 394,043.04 and 215,368.80 is: 322,301.75
Step by Step Solution
- Step 1: Write the proportion equation
263,307.84 : 394,043.04 = 215,368.80 : x - Step 2: Convert to fraction form
263,307.84/394,043.04 = 215,368.80/x - Step 3: Cross multiply
263,307.84x = 394,043.04 × 215,368.80 - Step 4: Simplify right side
263,307.84x = 84,864,576,673.15 - Step 5: Solve for x
x = 84,864,576,673.15/263,307.84 - Step 6: Final answer
x = 322,301.75
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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.