Finding the Fourth Proportional to 135,316.38, 202,828.77 and 56,380.26
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Solution
The fourth proportional to 135,316.38, 202,828.77 and 56,380.26 is: 84,509.64
Step by Step Solution
- Step 1: Write the proportion equation
135,316.38 : 202,828.77 = 56,380.26 : x - Step 2: Convert to fraction form
135,316.38/202,828.77 = 56,380.26/x - Step 3: Cross multiply
135,316.38x = 202,828.77 × 56,380.26 - Step 4: Simplify right side
135,316.38x = 11,435,538,788.08 - Step 5: Solve for x
x = 11,435,538,788.08/135,316.38 - Step 6: Final answer
x = 84,509.64
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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.