Finding the Fourth Proportional to 178,921.44, 246,908.82 and 98,347.24
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Solution
The fourth proportional to 178,921.44, 246,908.82 and 98,347.24 is: 135,717.66
Step by Step Solution
- Step 1: Write the proportion equation
178,921.44 : 246,908.82 = 98,347.24 : x - Step 2: Convert to fraction form
178,921.44/246,908.82 = 98,347.24/x - Step 3: Cross multiply
178,921.44x = 246,908.82 × 98,347.24 - Step 4: Simplify right side
178,921.44x = 24,282,800,267.23 - Step 5: Solve for x
x = 24,282,800,267.23/178,921.44 - Step 6: Final answer
x = 135,717.66
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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.