Finding the Fourth Proportional to 190,925.08, 263,472.01 and 106,042.21
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Solution
The fourth proportional to 190,925.08, 263,472.01 and 106,042.21 is: 146,335.69
Step by Step Solution
- Step 1: Write the proportion equation
190,925.08 : 263,472.01 = 106,042.21 : x - Step 2: Convert to fraction form
190,925.08/263,472.01 = 106,042.21/x - Step 3: Cross multiply
190,925.08x = 263,472.01 × 106,042.21 - Step 4: Simplify right side
190,925.08x = 27,939,154,213.54 - Step 5: Solve for x
x = 27,939,154,213.54/190,925.08 - Step 6: Final answer
x = 146,335.69
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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.