Finding the Fourth Proportional to 114,979.94, 172,463.00 and 42,918.99
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Solution
The fourth proportional to 114,979.94, 172,463.00 and 42,918.99 is: 64,375.90
Step by Step Solution
- Step 1: Write the proportion equation
114,979.94 : 172,463.00 = 42,918.99 : x - Step 2: Convert to fraction form
114,979.94/172,463.00 = 42,918.99/x - Step 3: Cross multiply
114,979.94x = 172,463.00 × 42,918.99 - Step 4: Simplify right side
114,979.94x = 7,401,936,911.04 - Step 5: Solve for x
x = 7,401,936,911.04/114,979.94 - Step 6: Final answer
x = 64,375.90
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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.