Finding the Fourth Proportional to 190,976.13, 286,498.82 and 84,359.88
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Solution
The fourth proportional to 190,976.13, 286,498.82 and 84,359.88 is: 126,555.12
Step by Step Solution
- Step 1: Write the proportion equation
190,976.13 : 286,498.82 = 84,359.88 : x - Step 2: Convert to fraction form
190,976.13/286,498.82 = 84,359.88/x - Step 3: Cross multiply
190,976.13x = 286,498.82 × 84,359.88 - Step 4: Simplify right side
190,976.13x = 24,169,006,286.24 - Step 5: Solve for x
x = 24,169,006,286.24/190,976.13 - Step 6: Final answer
x = 126,555.12
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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.