Finding the Fourth Proportional to 216,141.84, 324,208.62 and 97,730.46
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Solution
The fourth proportional to 216,141.84, 324,208.62 and 97,730.46 is: 146,593.82
Step by Step Solution
- Step 1: Write the proportion equation
216,141.84 : 324,208.62 = 97,730.46 : x - Step 2: Convert to fraction form
216,141.84/324,208.62 = 97,730.46/x - Step 3: Cross multiply
216,141.84x = 324,208.62 × 97,730.46 - Step 4: Simplify right side
216,141.84x = 31,685,057,568.57 - Step 5: Solve for x
x = 31,685,057,568.57/216,141.84 - Step 6: Final answer
x = 146,593.82
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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.