Finding the Fourth Proportional to 476,896.10, 658,114.74 and 272,946.20
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Solution
The fourth proportional to 476,896.10, 658,114.74 and 272,946.20 is: 376,664.68
Step by Step Solution
- Step 1: Write the proportion equation
476,896.10 : 658,114.74 = 272,946.20 : x - Step 2: Convert to fraction form
476,896.10/658,114.74 = 272,946.20/x - Step 3: Cross multiply
476,896.10x = 658,114.74 × 272,946.20 - Step 4: Simplify right side
476,896.10x = 179,629,914,156.41 - Step 5: Solve for x
x = 179,629,914,156.41/476,896.10 - Step 6: Final answer
x = 376,664.68
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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.