Finding the Fourth Proportional to 216,137.49, 323,943.59 and 152,975.99
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Solution
The fourth proportional to 216,137.49, 323,943.59 and 152,975.99 is: 229,278.08
Step by Step Solution
- Step 1: Write the proportion equation
216,137.49 : 323,943.59 = 152,975.99 : x - Step 2: Convert to fraction form
216,137.49/323,943.59 = 152,975.99/x - Step 3: Cross multiply
216,137.49x = 323,943.59 × 152,975.99 - Step 4: Simplify right side
216,137.49x = 49,555,588,999.81 - Step 5: Solve for x
x = 49,555,588,999.81/216,137.49 - Step 6: Final answer
x = 229,278.08
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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.