Finding the Fourth Proportional to 306,188.72, 459,370.20 and 119,253.68
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Solution
The fourth proportional to 306,188.72, 459,370.20 and 119,253.68 is: 178,914.45
Step by Step Solution
- Step 1: Write the proportion equation
306,188.72 : 459,370.20 = 119,253.68 : x - Step 2: Convert to fraction form
306,188.72/459,370.20 = 119,253.68/x - Step 3: Cross multiply
306,188.72x = 459,370.20 × 119,253.68 - Step 4: Simplify right side
306,188.72x = 54,781,586,832.34 - Step 5: Solve for x
x = 54,781,586,832.34/306,188.72 - Step 6: Final answer
x = 178,914.45
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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.