Finding the Fourth Proportional to 303,676.05, 455,514.08 and 93,313.65
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Solution
The fourth proportional to 303,676.05, 455,514.08 and 93,313.65 is: 139,970.48
Step by Step Solution
- Step 1: Write the proportion equation
303,676.05 : 455,514.08 = 93,313.65 : x - Step 2: Convert to fraction form
303,676.05/455,514.08 = 93,313.65/x - Step 3: Cross multiply
303,676.05x = 455,514.08 × 93,313.65 - Step 4: Simplify right side
303,676.05x = 42,505,680,964.62 - Step 5: Solve for x
x = 42,505,680,964.62/303,676.05 - Step 6: Final answer
x = 139,970.48
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1.5x scale
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.