Finding the Fourth Proportional to 355,603.02, 490,778.01 and 202,696.98
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Solution
The fourth proportional to 355,603.02, 490,778.01 and 202,696.98 is: 279,747.96
Step by Step Solution
- Step 1: Write the proportion equation
355,603.02 : 490,778.01 = 202,696.98 : x - Step 2: Convert to fraction form
355,603.02/490,778.01 = 202,696.98/x - Step 3: Cross multiply
355,603.02x = 490,778.01 × 202,696.98 - Step 4: Simplify right side
355,603.02x = 99,479,220,477.41 - Step 5: Solve for x
x = 99,479,220,477.41/355,603.02 - Step 6: Final answer
x = 279,747.96
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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.