Finding the Fourth Proportional to 168,729.13, 253,146.35 and 50,405.14
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Solution
The fourth proportional to 168,729.13, 253,146.35 and 50,405.14 is: 75,623.44
Step by Step Solution
- Step 1: Write the proportion equation
168,729.13 : 253,146.35 = 50,405.14 : x - Step 2: Convert to fraction form
168,729.13/253,146.35 = 50,405.14/x - Step 3: Cross multiply
168,729.13x = 253,146.35 × 50,405.14 - Step 4: Simplify right side
168,729.13x = 12,759,877,212.24 - Step 5: Solve for x
x = 12,759,877,212.24/168,729.13 - Step 6: Final answer
x = 75,623.44
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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.