Finding the Fourth Proportional to 392,353.58, 589,120.68 and 224,063.84
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Solution
The fourth proportional to 392,353.58, 589,120.68 and 224,063.84 is: 336,432.87
Step by Step Solution
- Step 1: Write the proportion equation
392,353.58 : 589,120.68 = 224,063.84 : x - Step 2: Convert to fraction form
392,353.58/589,120.68 = 224,063.84/x - Step 3: Cross multiply
392,353.58x = 589,120.68 × 224,063.84 - Step 4: Simplify right side
392,353.58x = 132,000,641,784.21 - Step 5: Solve for x
x = 132,000,641,784.21/392,353.58 - Step 6: Final answer
x = 336,432.87
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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.