Finding the Fourth Proportional to 178,765.68, 246,669.91 and 102,272.63
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Solution
The fourth proportional to 178,765.68, 246,669.91 and 102,272.63 is: 141,120.93
Step by Step Solution
- Step 1: Write the proportion equation
178,765.68 : 246,669.91 = 102,272.63 : x - Step 2: Convert to fraction form
178,765.68/246,669.91 = 102,272.63/x - Step 3: Cross multiply
178,765.68x = 246,669.91 × 102,272.63 - Step 4: Simplify right side
178,765.68x = 25,227,578,948.53 - Step 5: Solve for x
x = 25,227,578,948.53/178,765.68 - Step 6: Final answer
x = 141,120.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.