Finding the Fourth Proportional to 247,620.21, 341,714.58 and 134,442.96
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Solution
The fourth proportional to 247,620.21, 341,714.58 and 134,442.96 is: 185,530.57
Step by Step Solution
- Step 1: Write the proportion equation
247,620.21 : 341,714.58 = 134,442.96 : x - Step 2: Convert to fraction form
247,620.21/341,714.58 = 134,442.96/x - Step 3: Cross multiply
247,620.21x = 341,714.58 × 134,442.96 - Step 4: Simplify right side
247,620.21x = 45,941,119,610.36 - Step 5: Solve for x
x = 45,941,119,610.36/247,620.21 - Step 6: Final answer
x = 185,530.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.