Finding the Fourth Proportional to 178,249.05, 245,979.81 and 97,674.84
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Solution
The fourth proportional to 178,249.05, 245,979.81 and 97,674.84 is: 134,789.15
Step by Step Solution
- Step 1: Write the proportion equation
178,249.05 : 245,979.81 = 97,674.84 : x - Step 2: Convert to fraction form
178,249.05/245,979.81 = 97,674.84/x - Step 3: Cross multiply
178,249.05x = 245,979.81 × 97,674.84 - Step 4: Simplify right side
178,249.05x = 24,026,038,584.98 - Step 5: Solve for x
x = 24,026,038,584.98/178,249.05 - Step 6: Final answer
x = 134,789.15
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1.5x scale
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.