Finding the Fourth Proportional to 176,236.12, 243,406.36 and 119,549.08
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Solution
The fourth proportional to 176,236.12, 243,406.36 and 119,549.08 is: 165,113.75
Step by Step Solution
- Step 1: Write the proportion equation
176,236.12 : 243,406.36 = 119,549.08 : x - Step 2: Convert to fraction form
176,236.12/243,406.36 = 119,549.08/x - Step 3: Cross multiply
176,236.12x = 243,406.36 × 119,549.08 - Step 4: Simplify right side
176,236.12x = 29,099,006,404.15 - Step 5: Solve for x
x = 29,099,006,404.15/176,236.12 - Step 6: Final answer
x = 165,113.75
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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.