Finding the Fourth Proportional to 199,432.20, 299,148.30 and 177,313.80
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Solution
The fourth proportional to 199,432.20, 299,148.30 and 177,313.80 is: 265,970.70
Step by Step Solution
- Step 1: Write the proportion equation
199,432.20 : 299,148.30 = 177,313.80 : x - Step 2: Convert to fraction form
199,432.20/299,148.30 = 177,313.80/x - Step 3: Cross multiply
199,432.20x = 299,148.30 × 177,313.80 - Step 4: Simplify right side
199,432.20x = 53,043,121,836.54 - Step 5: Solve for x
x = 53,043,121,836.54/199,432.20 - Step 6: Final answer
x = 265,970.70
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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.