Finding the Fourth Proportional to 251,343.58, 346,845.36 and 138,165.52
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Solution
The fourth proportional to 251,343.58, 346,845.36 and 138,165.52 is: 190,663.59
Step by Step Solution
- Step 1: Write the proportion equation
251,343.58 : 346,845.36 = 138,165.52 : x - Step 2: Convert to fraction form
251,343.58/346,845.36 = 138,165.52/x - Step 3: Cross multiply
251,343.58x = 346,845.36 × 138,165.52 - Step 4: Simplify right side
251,343.58x = 47,922,069,523.99 - Step 5: Solve for x
x = 47,922,069,523.99/251,343.58 - Step 6: Final answer
x = 190,663.59
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1.5x scale
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.