Finding the Fourth Proportional to 272,912.40, 409,368.60 and 244,372.05
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Solution
The fourth proportional to 272,912.40, 409,368.60 and 244,372.05 is: 366,558.08
Step by Step Solution
- Step 1: Write the proportion equation
272,912.40 : 409,368.60 = 244,372.05 : x - Step 2: Convert to fraction form
272,912.40/409,368.60 = 244,372.05/x - Step 3: Cross multiply
272,912.40x = 409,368.60 × 244,372.05 - Step 4: Simplify right side
272,912.40x = 100,038,243,987.63 - Step 5: Solve for x
x = 100,038,243,987.63/272,912.40 - Step 6: Final answer
x = 366,558.08
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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.