Finding the Fourth Proportional to 199,976.03, 299,979.99 and 66,856.98
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Solution
The fourth proportional to 199,976.03, 299,979.99 and 66,856.98 is: 100,290.80
Step by Step Solution
- Step 1: Write the proportion equation
199,976.03 : 299,979.99 = 66,856.98 : x - Step 2: Convert to fraction form
199,976.03/299,979.99 = 66,856.98/x - Step 3: Cross multiply
199,976.03x = 299,979.99 × 66,856.98 - Step 4: Simplify right side
199,976.03x = 20,055,756,191.83 - Step 5: Solve for x
x = 20,055,756,191.83/199,976.03 - Step 6: Final answer
x = 100,290.80
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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.