Finding the Fourth Proportional to 163,855.96, 245,555.44 and 123,842.09
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Solution
The fourth proportional to 163,855.96, 245,555.44 and 123,842.09 is: 185,590.44
Step by Step Solution
- Step 1: Write the proportion equation
163,855.96 : 245,555.44 = 123,842.09 : x - Step 2: Convert to fraction form
163,855.96/245,555.44 = 123,842.09/x - Step 3: Cross multiply
163,855.96x = 245,555.44 × 123,842.09 - Step 4: Simplify right side
163,855.96x = 30,410,098,900.47 - Step 5: Solve for x
x = 30,410,098,900.47/163,855.96 - Step 6: Final answer
x = 185,590.44
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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.