Finding the Fourth Proportional to 156,181.46, 215,529.41 and 84,561.26
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Solution
The fourth proportional to 156,181.46, 215,529.41 and 84,561.26 is: 116,693.99
Step by Step Solution
- Step 1: Write the proportion equation
156,181.46 : 215,529.41 = 84,561.26 : x - Step 2: Convert to fraction form
156,181.46/215,529.41 = 84,561.26/x - Step 3: Cross multiply
156,181.46x = 215,529.41 × 84,561.26 - Step 4: Simplify right side
156,181.46x = 18,225,437,610.41 - Step 5: Solve for x
x = 18,225,437,610.41/156,181.46 - Step 6: Final answer
x = 116,693.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.