Finding the Fourth Proportional to 481,057.12, 663,929.24 and 277,068.82
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Solution
The fourth proportional to 481,057.12, 663,929.24 and 277,068.82 is: 382,395.53
Step by Step Solution
- Step 1: Write the proportion equation
481,057.12 : 663,929.24 = 277,068.82 : x - Step 2: Convert to fraction form
481,057.12/663,929.24 = 277,068.82/x - Step 3: Cross multiply
481,057.12x = 663,929.24 × 277,068.82 - Step 4: Simplify right side
481,057.12x = 183,954,091,090.30 - Step 5: Solve for x
x = 183,954,091,090.30/481,057.12 - Step 6: Final answer
x = 382,395.53
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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.