Finding the Fourth Proportional to 251,955.24, 347,698.20 and 138,777.99
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Solution
The fourth proportional to 251,955.24, 347,698.20 and 138,777.99 is: 191,513.61
Step by Step Solution
- Step 1: Write the proportion equation
251,955.24 : 347,698.20 = 138,777.99 : x - Step 2: Convert to fraction form
251,955.24/347,698.20 = 138,777.99/x - Step 3: Cross multiply
251,955.24x = 347,698.20 × 138,777.99 - Step 4: Simplify right side
251,955.24x = 48,252,857,322.62 - Step 5: Solve for x
x = 48,252,857,322.62/251,955.24 - Step 6: Final answer
x = 191,513.61
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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.