Finding the Fourth Proportional to 392,021.32, 541,154.57 and 264,869.14
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Solution
The fourth proportional to 392,021.32, 541,154.57 and 264,869.14 is: 365,630.99
Step by Step Solution
- Step 1: Write the proportion equation
392,021.32 : 541,154.57 = 264,869.14 : x - Step 2: Convert to fraction form
392,021.32/541,154.57 = 264,869.14/x - Step 3: Cross multiply
392,021.32x = 541,154.57 × 264,869.14 - Step 4: Simplify right side
392,021.32x = 143,335,142,885.74 - Step 5: Solve for x
x = 143,335,142,885.74/392,021.32 - Step 6: Final answer
x = 365,630.99
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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.