Finding the Fourth Proportional to 470,979.99, 649,969.50 and 269,814.87
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Solution
The fourth proportional to 470,979.99, 649,969.50 and 269,814.87 is: 372,354.32
Step by Step Solution
- Step 1: Write the proportion equation
470,979.99 : 649,969.50 = 269,814.87 : x - Step 2: Convert to fraction form
470,979.99/649,969.50 = 269,814.87/x - Step 3: Cross multiply
470,979.99x = 649,969.50 × 269,814.87 - Step 4: Simplify right side
470,979.99x = 175,371,436,146.47 - Step 5: Solve for x
x = 175,371,436,146.47/470,979.99 - Step 6: Final answer
x = 372,354.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.