Finding the Fourth Proportional to 135,291.02, 202,879.44 and 40,534.68
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Solution
The fourth proportional to 135,291.02, 202,879.44 and 40,534.68 is: 60,784.92
Step by Step Solution
- Step 1: Write the proportion equation
135,291.02 : 202,879.44 = 40,534.68 : x - Step 2: Convert to fraction form
135,291.02/202,879.44 = 40,534.68/x - Step 3: Cross multiply
135,291.02x = 202,879.44 × 40,534.68 - Step 4: Simplify right side
135,291.02x = 8,223,653,178.98 - Step 5: Solve for x
x = 8,223,653,178.98/135,291.02 - Step 6: Final answer
x = 60,784.92
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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.