Finding the Fourth Proportional to 331,546.14, 457,533.66 and 180,643.14
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Solution
The fourth proportional to 331,546.14, 457,533.66 and 180,643.14 is: 249,287.53
Step by Step Solution
- Step 1: Write the proportion equation
331,546.14 : 457,533.66 = 180,643.14 : x - Step 2: Convert to fraction form
331,546.14/457,533.66 = 180,643.14/x - Step 3: Cross multiply
331,546.14x = 457,533.66 × 180,643.14 - Step 4: Simplify right side
331,546.14x = 82,650,316,998.09 - Step 5: Solve for x
x = 82,650,316,998.09/331,546.14 - Step 6: Final answer
x = 249,287.53
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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.