Finding the Fourth Proportional to 168,842.16, 234,067.68 and 159,853.68
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Solution
The fourth proportional to 168,842.16, 234,067.68 and 159,853.68 is: 221,606.85
Step by Step Solution
- Step 1: Write the proportion equation
168,842.16 : 234,067.68 = 159,853.68 : x - Step 2: Convert to fraction form
168,842.16/234,067.68 = 159,853.68/x - Step 3: Cross multiply
168,842.16x = 234,067.68 × 159,853.68 - Step 4: Simplify right side
168,842.16x = 37,416,580,017.06 - Step 5: Solve for x
x = 37,416,580,017.06/168,842.16 - Step 6: Final answer
x = 221,606.85
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.