Finding the Fourth Proportional to 168,833.21, 252,821.14 and 101,322.74
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Solution
The fourth proportional to 168,833.21, 252,821.14 and 101,322.74 is: 151,726.85
Step by Step Solution
- Step 1: Write the proportion equation
168,833.21 : 252,821.14 = 101,322.74 : x - Step 2: Convert to fraction form
168,833.21/252,821.14 = 101,322.74/x - Step 3: Cross multiply
168,833.21x = 252,821.14 × 101,322.74 - Step 4: Simplify right side
168,833.21x = 25,616,531,013.47 - Step 5: Solve for x
x = 25,616,531,013.47/168,833.21 - Step 6: Final answer
x = 151,726.85
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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.