Finding the Fourth Proportional to 480,639.83, 663,281.26 and 271,071.09
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Solution
The fourth proportional to 480,639.83, 663,281.26 and 271,071.09 is: 374,077.14
Step by Step Solution
- Step 1: Write the proportion equation
480,639.83 : 663,281.26 = 271,071.09 : x - Step 2: Convert to fraction form
480,639.83/663,281.26 = 271,071.09/x - Step 3: Cross multiply
480,639.83x = 663,281.26 × 271,071.09 - Step 4: Simplify right side
480,639.83x = 179,796,373,447.10 - Step 5: Solve for x
x = 179,796,373,447.10/480,639.83 - Step 6: Final answer
x = 374,077.14
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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.