Finding the Fourth Proportional to 408,650.15, 612,819.69 and 186,878.63
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Solution
The fourth proportional to 408,650.15, 612,819.69 and 186,878.63 is: 280,246.81
Step by Step Solution
- Step 1: Write the proportion equation
408,650.15 : 612,819.69 = 186,878.63 : x - Step 2: Convert to fraction form
408,650.15/612,819.69 = 186,878.63/x - Step 3: Cross multiply
408,650.15x = 612,819.69 × 186,878.63 - Step 4: Simplify right side
408,650.15x = 114,522,901,040.13 - Step 5: Solve for x
x = 114,522,901,040.13/408,650.15 - Step 6: Final answer
x = 280,246.81
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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.