Finding the Fourth Proportional to 135,699.43, 203,549.66 and 56,758.28
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Solution
The fourth proportional to 135,699.43, 203,549.66 and 56,758.28 is: 85,137.63
Step by Step Solution
- Step 1: Write the proportion equation
135,699.43 : 203,549.66 = 56,758.28 : x - Step 2: Convert to fraction form
135,699.43/203,549.66 = 56,758.28/x - Step 3: Cross multiply
135,699.43x = 203,549.66 × 56,758.28 - Step 4: Simplify right side
135,699.43x = 11,553,127,903.82 - Step 5: Solve for x
x = 11,553,127,903.82/135,699.43 - Step 6: Final answer
x = 85,137.63
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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.