Finding the Fourth Proportional to 284,820.74, 427,441.37 and 135,061.53
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Solution
The fourth proportional to 284,820.74, 427,441.37 and 135,061.53 is: 202,692.00
Step by Step Solution
- Step 1: Write the proportion equation
284,820.74 : 427,441.37 = 135,061.53 : x - Step 2: Convert to fraction form
284,820.74/427,441.37 = 135,061.53/x - Step 3: Cross multiply
284,820.74x = 427,441.37 × 135,061.53 - Step 4: Simplify right side
284,820.74x = 57,730,885,755.15 - Step 5: Solve for x
x = 57,730,885,755.15/284,820.74 - Step 6: Final answer
x = 202,692.00
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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.