Finding the Fourth Proportional to 178,057.13, 245,718.18 and 101,576.09
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Solution
The fourth proportional to 178,057.13, 245,718.18 and 101,576.09 is: 140,174.64
Step by Step Solution
- Step 1: Write the proportion equation
178,057.13 : 245,718.18 = 101,576.09 : x - Step 2: Convert to fraction form
178,057.13/245,718.18 = 101,576.09/x - Step 3: Cross multiply
178,057.13x = 245,718.18 × 101,576.09 - Step 4: Simplify right side
178,057.13x = 24,959,092,580.61 - Step 5: Solve for x
x = 24,959,092,580.61/178,057.13 - Step 6: Final answer
x = 140,174.64
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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.