Finding the Fourth Proportional to 299,492.96, 449,835.60 and 187,371.68
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Solution
The fourth proportional to 299,492.96, 449,835.60 and 187,371.68 is: 281,430.50
Step by Step Solution
- Step 1: Write the proportion equation
299,492.96 : 449,835.60 = 187,371.68 : x - Step 2: Convert to fraction form
299,492.96/449,835.60 = 187,371.68/x - Step 3: Cross multiply
299,492.96x = 449,835.60 × 187,371.68 - Step 4: Simplify right side
299,492.96x = 84,286,452,095.81 - Step 5: Solve for x
x = 84,286,452,095.81/299,492.96 - Step 6: Final answer
x = 281,430.50
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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.