Finding the Fourth Proportional to 118,566.72, 177,819.84 and 48,432.96
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Solution
The fourth proportional to 118,566.72, 177,819.84 and 48,432.96 is: 72,637.09
Step by Step Solution
- Step 1: Write the proportion equation
118,566.72 : 177,819.84 = 48,432.96 : x - Step 2: Convert to fraction form
118,566.72/177,819.84 = 48,432.96/x - Step 3: Cross multiply
118,566.72x = 177,819.84 × 48,432.96 - Step 4: Simplify right side
118,566.72x = 8,612,341,197.93 - Step 5: Solve for x
x = 8,612,341,197.93/118,566.72 - Step 6: Final answer
x = 72,637.09
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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.