Finding the Fourth Proportional to 331,231.74, 457,099.79 and 180,328.74
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Solution
The fourth proportional to 331,231.74, 457,099.79 and 180,328.74 is: 248,853.65
Step by Step Solution
- Step 1: Write the proportion equation
331,231.74 : 457,099.79 = 180,328.74 : x - Step 2: Convert to fraction form
331,231.74/457,099.79 = 180,328.74/x - Step 3: Cross multiply
331,231.74x = 457,099.79 × 180,328.74 - Step 4: Simplify right side
331,231.74x = 82,428,228,283.32 - Step 5: Solve for x
x = 82,428,228,283.32/331,231.74 - Step 6: Final answer
x = 248,853.65
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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.