Finding the Fourth Proportional to 98,060.69, 146,961.81 and 38,864.09
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Solution
The fourth proportional to 98,060.69, 146,961.81 and 38,864.09 is: 58,244.92
Step by Step Solution
- Step 1: Write the proportion equation
98,060.69 : 146,961.81 = 38,864.09 : x - Step 2: Convert to fraction form
98,060.69/146,961.81 = 38,864.09/x - Step 3: Cross multiply
98,060.69x = 146,961.81 × 38,864.09 - Step 4: Simplify right side
98,060.69x = 5,711,537,010.40 - Step 5: Solve for x
x = 5,711,537,010.40/98,060.69 - Step 6: Final answer
x = 58,244.92
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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.