Finding the Fourth Proportional to 258,188.76, 387,348.84 and 151,662.80
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Solution
The fourth proportional to 258,188.76, 387,348.84 and 151,662.80 is: 227,532.79
Step by Step Solution
- Step 1: Write the proportion equation
258,188.76 : 387,348.84 = 151,662.80 : x - Step 2: Convert to fraction form
258,188.76/387,348.84 = 151,662.80/x - Step 3: Cross multiply
258,188.76x = 387,348.84 × 151,662.80 - Step 4: Simplify right side
258,188.76x = 58,746,408,892.84 - Step 5: Solve for x
x = 58,746,408,892.84/258,188.76 - Step 6: Final answer
x = 227,532.79
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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.