Finding the Fourth Proportional to 586,867.32, 809,880.26 and 345,160.08
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Solution
The fourth proportional to 586,867.32, 809,880.26 and 345,160.08 is: 476,322.88
Step by Step Solution
- Step 1: Write the proportion equation
586,867.32 : 809,880.26 = 345,160.08 : x - Step 2: Convert to fraction form
586,867.32/809,880.26 = 345,160.08/x - Step 3: Cross multiply
586,867.32x = 809,880.26 × 345,160.08 - Step 4: Simplify right side
586,867.32x = 279,538,333,606.22 - Step 5: Solve for x
x = 279,538,333,606.22/586,867.32 - Step 6: Final answer
x = 476,322.88
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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.