Finding the Fourth Proportional to 89,219.84, 133,682.10 and 39,224.96
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Solution
The fourth proportional to 89,219.84, 133,682.10 and 39,224.96 is: 58,772.52
Step by Step Solution
- Step 1: Write the proportion equation
89,219.84 : 133,682.10 = 39,224.96 : x - Step 2: Convert to fraction form
89,219.84/133,682.10 = 39,224.96/x - Step 3: Cross multiply
89,219.84x = 133,682.10 × 39,224.96 - Step 4: Simplify right side
89,219.84x = 5,243,675,025.22 - Step 5: Solve for x
x = 5,243,675,025.22/89,219.84 - Step 6: Final answer
x = 58,772.52
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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.