Finding the Fourth Proportional to 178,720.80, 246,750.18 and 110,809.92
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Solution
The fourth proportional to 178,720.80, 246,750.18 and 110,809.92 is: 152,989.29
Step by Step Solution
- Step 1: Write the proportion equation
178,720.80 : 246,750.18 = 110,809.92 : x - Step 2: Convert to fraction form
178,720.80/246,750.18 = 110,809.92/x - Step 3: Cross multiply
178,720.80x = 246,750.18 × 110,809.92 - Step 4: Simplify right side
178,720.80x = 27,342,367,705.79 - Step 5: Solve for x
x = 27,342,367,705.79/178,720.80 - Step 6: Final answer
x = 152,989.29
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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.