Finding the Fourth Proportional to 386,785.08, 580,163.04 and 106,295.04
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Solution
The fourth proportional to 386,785.08, 580,163.04 and 106,295.04 is: 159,438.55
Step by Step Solution
- Step 1: Write the proportion equation
386,785.08 : 580,163.04 = 106,295.04 : x - Step 2: Convert to fraction form
386,785.08/580,163.04 = 106,295.04/x - Step 3: Cross multiply
386,785.08x = 580,163.04 × 106,295.04 - Step 4: Simplify right side
386,785.08x = 61,668,453,543.32 - Step 5: Solve for x
x = 61,668,453,543.32/386,785.08 - Step 6: Final answer
x = 159,438.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.