Finding the Fourth Proportional to 245,736.99, 368,564.31 and 68,261.94
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Solution
The fourth proportional to 245,736.99, 368,564.31 and 68,261.94 is: 102,381.47
Step by Step Solution
- Step 1: Write the proportion equation
245,736.99 : 368,564.31 = 68,261.94 : x - Step 2: Convert to fraction form
245,736.99/368,564.31 = 68,261.94/x - Step 3: Cross multiply
245,736.99x = 368,564.31 × 68,261.94 - Step 4: Simplify right side
245,736.99x = 25,158,914,815.36 - Step 5: Solve for x
x = 25,158,914,815.36/245,736.99 - Step 6: Final answer
x = 102,381.47
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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.