Finding the Fourth Proportional to 325,754.60, 488,508.87 and 157,218.91
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Solution
The fourth proportional to 325,754.60, 488,508.87 and 157,218.91 is: 235,768.99
Step by Step Solution
- Step 1: Write the proportion equation
325,754.60 : 488,508.87 = 157,218.91 : x - Step 2: Convert to fraction form
325,754.60/488,508.87 = 157,218.91/x - Step 3: Cross multiply
325,754.60x = 488,508.87 × 157,218.91 - Step 4: Simplify right side
325,754.60x = 76,802,831,435.03 - Step 5: Solve for x
x = 76,802,831,435.03/325,754.60 - Step 6: Final answer
x = 235,768.99
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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.