Finding the Fourth Proportional to 159,272.68, 239,056.84 and 80,442.26
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Solution
The fourth proportional to 159,272.68, 239,056.84 and 80,442.26 is: 120,738.05
Step by Step Solution
- Step 1: Write the proportion equation
159,272.68 : 239,056.84 = 80,442.26 : x - Step 2: Convert to fraction form
159,272.68/239,056.84 = 80,442.26/x - Step 3: Cross multiply
159,272.68x = 239,056.84 × 80,442.26 - Step 4: Simplify right side
159,272.68x = 19,230,272,478.06 - Step 5: Solve for x
x = 19,230,272,478.06/159,272.68 - Step 6: Final answer
x = 120,738.05
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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.