Finding the Fourth Proportional to 331,669.18, 457,715.70 and 188,453.48
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Solution
The fourth proportional to 331,669.18, 457,715.70 and 188,453.48 is: 260,072.75
Step by Step Solution
- Step 1: Write the proportion equation
331,669.18 : 457,715.70 = 188,453.48 : x - Step 2: Convert to fraction form
331,669.18/457,715.70 = 188,453.48/x - Step 3: Cross multiply
331,669.18x = 457,715.70 × 188,453.48 - Step 4: Simplify right side
331,669.18x = 86,258,116,515.64 - Step 5: Solve for x
x = 86,258,116,515.64/331,669.18 - Step 6: Final answer
x = 260,072.75
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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.