Finding the Fourth Proportional to 194,562.05, 268,449.84 and 118,079.42
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Solution
The fourth proportional to 194,562.05, 268,449.84 and 118,079.42 is: 162,921.81
Step by Step Solution
- Step 1: Write the proportion equation
194,562.05 : 268,449.84 = 118,079.42 : x - Step 2: Convert to fraction form
194,562.05/268,449.84 = 118,079.42/x - Step 3: Cross multiply
194,562.05x = 268,449.84 × 118,079.42 - Step 4: Simplify right side
194,562.05x = 31,698,400,064.04 - Step 5: Solve for x
x = 31,698,400,064.04/194,562.05 - Step 6: Final answer
x = 162,921.81
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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.