Finding the Fourth Proportional to 260,207.36, 390,442.24 and 102,548.80
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Solution
The fourth proportional to 260,207.36, 390,442.24 and 102,548.80 is: 153,874.91
Step by Step Solution
- Step 1: Write the proportion equation
260,207.36 : 390,442.24 = 102,548.80 : x - Step 2: Convert to fraction form
260,207.36/390,442.24 = 102,548.80/x - Step 3: Cross multiply
260,207.36x = 390,442.24 × 102,548.80 - Step 4: Simplify right side
260,207.36x = 40,039,383,181.31 - Step 5: Solve for x
x = 40,039,383,181.31/260,207.36 - Step 6: Final answer
x = 153,874.91
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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.