Finding the Fourth Proportional to 178,059.18, 245,721.72 and 97,491.82
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Solution
The fourth proportional to 178,059.18, 245,721.72 and 97,491.82 is: 134,538.74
Step by Step Solution
- Step 1: Write the proportion equation
178,059.18 : 245,721.72 = 97,491.82 : x - Step 2: Convert to fraction form
178,059.18/245,721.72 = 97,491.82/x - Step 3: Cross multiply
178,059.18x = 245,721.72 × 97,491.82 - Step 4: Simplify right side
178,059.18x = 23,955,857,696.33 - Step 5: Solve for x
x = 23,955,857,696.33/178,059.18 - Step 6: Final answer
x = 134,538.74
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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.