Finding the Fourth Proportional to 251,680.26, 347,318.56 and 138,503.02
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Solution
The fourth proportional to 251,680.26, 347,318.56 and 138,503.02 is: 191,134.06
Step by Step Solution
- Step 1: Write the proportion equation
251,680.26 : 347,318.56 = 138,503.02 : x - Step 2: Convert to fraction form
251,680.26/347,318.56 = 138,503.02/x - Step 3: Cross multiply
251,680.26x = 347,318.56 × 138,503.02 - Step 4: Simplify right side
251,680.26x = 48,104,669,462.05 - Step 5: Solve for x
x = 48,104,669,462.05/251,680.26 - Step 6: Final answer
x = 191,134.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.