Finding the Fourth Proportional to 135,219.84, 202,858.74 and 40,457.40
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Solution
The fourth proportional to 135,219.84, 202,858.74 and 40,457.40 is: 60,694.77
Step by Step Solution
- Step 1: Write the proportion equation
135,219.84 : 202,858.74 = 40,457.40 : x - Step 2: Convert to fraction form
135,219.84/202,858.74 = 40,457.40/x - Step 3: Cross multiply
135,219.84x = 202,858.74 × 40,457.40 - Step 4: Simplify right side
135,219.84x = 8,207,137,187.68 - Step 5: Solve for x
x = 8,207,137,187.68/135,219.84 - Step 6: Final answer
x = 60,694.77
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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.