Finding the Fourth Proportional to 216,762.84, 299,144.34 and 121,263.84
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Solution
The fourth proportional to 216,762.84, 299,144.34 and 121,263.84 is: 167,350.60
Step by Step Solution
- Step 1: Write the proportion equation
216,762.84 : 299,144.34 = 121,263.84 : x - Step 2: Convert to fraction form
216,762.84/299,144.34 = 121,263.84/x - Step 3: Cross multiply
216,762.84x = 299,144.34 × 121,263.84 - Step 4: Simplify right side
216,762.84x = 36,275,391,382.67 - Step 5: Solve for x
x = 36,275,391,382.67/216,762.84 - Step 6: Final answer
x = 167,350.60
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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.