Finding the Fourth Proportional to 165,538.08, 248,307.20 and 40,879.20
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Solution
The fourth proportional to 165,538.08, 248,307.20 and 40,879.20 is: 61,318.82
Step by Step Solution
- Step 1: Write the proportion equation
165,538.08 : 248,307.20 = 40,879.20 : x - Step 2: Convert to fraction form
165,538.08/248,307.20 = 40,879.20/x - Step 3: Cross multiply
165,538.08x = 248,307.20 × 40,879.20 - Step 4: Simplify right side
165,538.08x = 10,150,599,690.24 - Step 5: Solve for x
x = 10,150,599,690.24/165,538.08 - Step 6: Final answer
x = 61,318.82
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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.