Finding the Fourth Proportional to 191,719.99, 287,262.09 and 116,612.92
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Solution
The fourth proportional to 191,719.99, 287,262.09 and 116,612.92 is: 174,726.02
Step by Step Solution
- Step 1: Write the proportion equation
191,719.99 : 287,262.09 = 116,612.92 : x - Step 2: Convert to fraction form
191,719.99/287,262.09 = 116,612.92/x - Step 3: Cross multiply
191,719.99x = 287,262.09 × 116,612.92 - Step 4: Simplify right side
191,719.99x = 33,498,471,120.20 - Step 5: Solve for x
x = 33,498,471,120.20/191,719.99 - Step 6: Final answer
x = 174,726.02
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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.