Finding the Fourth Proportional to 197,137.60, 295,730.99 and 77,179.05
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Solution
The fourth proportional to 197,137.60, 295,730.99 and 77,179.05 is: 115,778.20
Step by Step Solution
- Step 1: Write the proportion equation
197,137.60 : 295,730.99 = 77,179.05 : x - Step 2: Convert to fraction form
197,137.60/295,730.99 = 77,179.05/x - Step 3: Cross multiply
197,137.60x = 295,730.99 × 77,179.05 - Step 4: Simplify right side
197,137.60x = 22,824,236,863.76 - Step 5: Solve for x
x = 22,824,236,863.76/197,137.60 - Step 6: Final answer
x = 115,778.20
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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.