Finding the Fourth Proportional to 168,339.17, 252,184.80 and 105,184.08
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Solution
The fourth proportional to 168,339.17, 252,184.80 and 105,184.08 is: 157,573.70
Step by Step Solution
- Step 1: Write the proportion equation
168,339.17 : 252,184.80 = 105,184.08 : x - Step 2: Convert to fraction form
168,339.17/252,184.80 = 105,184.08/x - Step 3: Cross multiply
168,339.17x = 252,184.80 × 105,184.08 - Step 4: Simplify right side
168,339.17x = 26,525,825,626.73 - Step 5: Solve for x
x = 26,525,825,626.73/168,339.17 - Step 6: Final answer
x = 157,573.70
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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.