Finding the Fourth Proportional to 135,247.36, 202,739.21 and 56,384.14
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Solution
The fourth proportional to 135,247.36, 202,739.21 and 56,384.14 is: 84,521.25
Step by Step Solution
- Step 1: Write the proportion equation
135,247.36 : 202,739.21 = 56,384.14 : x - Step 2: Convert to fraction form
135,247.36/202,739.21 = 56,384.14/x - Step 3: Cross multiply
135,247.36x = 202,739.21 × 56,384.14 - Step 4: Simplify right side
135,247.36x = 11,431,276,000.13 - Step 5: Solve for x
x = 11,431,276,000.13/135,247.36 - Step 6: Final answer
x = 84,521.25
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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.