Finding the Fourth Proportional to 526,538.24, 789,656.69 and 171,583.28
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Solution
The fourth proportional to 526,538.24, 789,656.69 and 171,583.28 is: 257,325.82
Step by Step Solution
- Step 1: Write the proportion equation
526,538.24 : 789,656.69 = 171,583.28 : x - Step 2: Convert to fraction form
526,538.24/789,656.69 = 171,583.28/x - Step 3: Cross multiply
526,538.24x = 789,656.69 × 171,583.28 - Step 4: Simplify right side
526,538.24x = 135,491,884,944.14 - Step 5: Solve for x
x = 135,491,884,944.14/526,538.24 - Step 6: Final answer
x = 257,325.82
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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.