Finding the Fourth Proportional to 134,878.80, 202,399.20 and 55,984.80
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Solution
The fourth proportional to 134,878.80, 202,399.20 and 55,984.80 is: 84,010.82
Step by Step Solution
- Step 1: Write the proportion equation
134,878.80 : 202,399.20 = 55,984.80 : x - Step 2: Convert to fraction form
134,878.80/202,399.20 = 55,984.80/x - Step 3: Cross multiply
134,878.80x = 202,399.20 × 55,984.80 - Step 4: Simplify right side
134,878.80x = 11,331,278,732.16 - Step 5: Solve for x
x = 11,331,278,732.16/134,878.80 - Step 6: Final answer
x = 84,010.82
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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.