Finding the Fourth Proportional to 134,878.23, 202,343.36 and 51,765.75
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Solution
The fourth proportional to 134,878.23, 202,343.36 and 51,765.75 is: 77,658.61
Step by Step Solution
- Step 1: Write the proportion equation
134,878.23 : 202,343.36 = 51,765.75 : x - Step 2: Convert to fraction form
134,878.23/202,343.36 = 51,765.75/x - Step 3: Cross multiply
134,878.23x = 202,343.36 × 51,765.75 - Step 4: Simplify right side
134,878.23x = 10,474,455,529.09 - Step 5: Solve for x
x = 10,474,455,529.09/134,878.23 - Step 6: Final answer
x = 77,658.61
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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.