Finding the Fourth Proportional to 236,812.14, 355,208.49 and 131,563.98
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Solution
The fourth proportional to 236,812.14, 355,208.49 and 131,563.98 is: 197,340.57
Step by Step Solution
- Step 1: Write the proportion equation
236,812.14 : 355,208.49 = 131,563.98 : x - Step 2: Convert to fraction form
236,812.14/355,208.49 = 131,563.98/x - Step 3: Cross multiply
236,812.14x = 355,208.49 × 131,563.98 - Step 4: Simplify right side
236,812.14x = 46,732,642,674.19 - Step 5: Solve for x
x = 46,732,642,674.19/236,812.14 - Step 6: Final answer
x = 197,340.57
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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.