Finding the Fourth Proportional to 284,838.40, 427,281.99 and 74,476
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Solution
The fourth proportional to 284,838.40, 427,281.99 and 74,476 is: 111,720.38
Step by Step Solution
- Step 1: Write the proportion equation
284,838.40 : 427,281.99 = 74,476 : x - Step 2: Convert to fraction form
284,838.40/427,281.99 = 74,476/x - Step 3: Cross multiply
284,838.40x = 427,281.99 × 74,476 - Step 4: Simplify right side
284,838.40x = 31,822,253,487.24 - Step 5: Solve for x
x = 31,822,253,487.24/284,838.40 - Step 6: Final answer
x = 111,720.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.