Finding the Fourth Proportional to 168,391.19, 252,368.09 and 68,435.07
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Solution
The fourth proportional to 168,391.19, 252,368.09 and 68,435.07 is: 102,563.73
Step by Step Solution
- Step 1: Write the proportion equation
168,391.19 : 252,368.09 = 68,435.07 : x - Step 2: Convert to fraction form
168,391.19/252,368.09 = 68,435.07/x - Step 3: Cross multiply
168,391.19x = 252,368.09 × 68,435.07 - Step 4: Simplify right side
168,391.19x = 17,270,827,904.92 - Step 5: Solve for x
x = 17,270,827,904.92/168,391.19 - Step 6: Final answer
x = 102,563.73
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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.