Finding the Fourth Proportional to 245,699.36, 368,551.09 and 68,220.21
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Solution
The fourth proportional to 245,699.36, 368,551.09 and 68,220.21 is: 102,330.88
Step by Step Solution
- Step 1: Write the proportion equation
245,699.36 : 368,551.09 = 68,220.21 : x - Step 2: Convert to fraction form
245,699.36/368,551.09 = 68,220.21/x - Step 3: Cross multiply
245,699.36x = 368,551.09 × 68,220.21 - Step 4: Simplify right side
245,699.36x = 25,142,631,663.60 - Step 5: Solve for x
x = 25,142,631,663.60/245,699.36 - Step 6: Final answer
x = 102,330.88
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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.