Finding the Fourth Proportional to 199,982.12, 299,943.68 and 73,593.01
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Solution
The fourth proportional to 199,982.12, 299,943.68 and 73,593.01 is: 110,378.65
Step by Step Solution
- Step 1: Write the proportion equation
199,982.12 : 299,943.68 = 73,593.01 : x - Step 2: Convert to fraction form
199,982.12/299,943.68 = 73,593.01/x - Step 3: Cross multiply
199,982.12x = 299,943.68 × 73,593.01 - Step 4: Simplify right side
199,982.12x = 22,073,757,675.80 - Step 5: Solve for x
x = 22,073,757,675.80/199,982.12 - Step 6: Final answer
x = 110,378.65
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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.