Finding the Fourth Proportional to 255,432.68, 383,149.11 and 105,508.19
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Solution
The fourth proportional to 255,432.68, 383,149.11 and 105,508.19 is: 158,262.32
Step by Step Solution
- Step 1: Write the proportion equation
255,432.68 : 383,149.11 = 105,508.19 : x - Step 2: Convert to fraction form
255,432.68/383,149.11 = 105,508.19/x - Step 3: Cross multiply
255,432.68x = 383,149.11 × 105,508.19 - Step 4: Simplify right side
255,432.68x = 40,425,369,096.21 - Step 5: Solve for x
x = 40,425,369,096.21/255,432.68 - Step 6: Final answer
x = 158,262.32
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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.