Finding the Fourth Proportional to 178,198.40, 245,911.73 and 96,525.09
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Solution
The fourth proportional to 178,198.40, 245,911.73 and 96,525.09 is: 133,203.51
Step by Step Solution
- Step 1: Write the proportion equation
178,198.40 : 245,911.73 = 96,525.09 : x - Step 2: Convert to fraction form
178,198.40/245,911.73 = 96,525.09/x - Step 3: Cross multiply
178,198.40x = 245,911.73 × 96,525.09 - Step 4: Simplify right side
178,198.40x = 23,736,652,111.62 - Step 5: Solve for x
x = 23,736,652,111.62/178,198.40 - Step 6: Final answer
x = 133,203.51
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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.