Finding the Fourth Proportional to 98,402.99, 146,836.71 and 87,800.09
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Solution
The fourth proportional to 98,402.99, 146,836.71 and 87,800.09 is: 131,015.09
Step by Step Solution
- Step 1: Write the proportion equation
98,402.99 : 146,836.71 = 87,800.09 : x - Step 2: Convert to fraction form
98,402.99/146,836.71 = 87,800.09/x - Step 3: Cross multiply
98,402.99x = 146,836.71 × 87,800.09 - Step 4: Simplify right side
98,402.99x = 12,892,275,619.12 - Step 5: Solve for x
x = 12,892,275,619.12/98,402.99 - Step 6: Final answer
x = 131,015.09
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.