Finding the Fourth Proportional to 274,246.44, 378,452.52 and 153,387.96
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Solution
The fourth proportional to 274,246.44, 378,452.52 and 153,387.96 is: 211,671.15
Step by Step Solution
- Step 1: Write the proportion equation
274,246.44 : 378,452.52 = 153,387.96 : x - Step 2: Convert to fraction form
274,246.44/378,452.52 = 153,387.96/x - Step 3: Cross multiply
274,246.44x = 378,452.52 × 153,387.96 - Step 4: Simplify right side
274,246.44x = 58,050,059,999.66 - Step 5: Solve for x
x = 58,050,059,999.66/274,246.44 - Step 6: Final answer
x = 211,671.15
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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.