Finding the Fourth Proportional to 251,661.09, 347,277.87 and 138,483.84
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Solution
The fourth proportional to 251,661.09, 347,277.87 and 138,483.84 is: 191,099.76
Step by Step Solution
- Step 1: Write the proportion equation
251,661.09 : 347,277.87 = 138,483.84 : x - Step 2: Convert to fraction form
251,661.09/347,277.87 = 138,483.84/x - Step 3: Cross multiply
251,661.09x = 347,277.87 × 138,483.84 - Step 4: Simplify right side
251,661.09x = 48,092,372,984.62 - Step 5: Solve for x
x = 48,092,372,984.62/251,661.09 - Step 6: Final answer
x = 191,099.76
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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.