Finding the Fourth Proportional to 251,680.19, 347,318.72 and 138,502.94
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Solution
The fourth proportional to 251,680.19, 347,318.72 and 138,502.94 is: 191,134.09
Step by Step Solution
- Step 1: Write the proportion equation
251,680.19 : 347,318.72 = 138,502.94 : x - Step 2: Convert to fraction form
251,680.19/347,318.72 = 138,502.94/x - Step 3: Cross multiply
251,680.19x = 347,318.72 × 138,502.94 - Step 4: Simplify right side
251,680.19x = 48,104,663,837.04 - Step 5: Solve for x
x = 48,104,663,837.04/251,680.19 - Step 6: Final answer
x = 191,134.09
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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.