Finding the Fourth Proportional to 251,375.64, 346,889.52 and 138,197.52
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Solution
The fourth proportional to 251,375.64, 346,889.52 and 138,197.52 is: 190,707.70
Step by Step Solution
- Step 1: Write the proportion equation
251,375.64 : 346,889.52 = 138,197.52 : x - Step 2: Convert to fraction form
251,375.64/346,889.52 = 138,197.52/x - Step 3: Cross multiply
251,375.64x = 346,889.52 × 138,197.52 - Step 4: Simplify right side
251,375.64x = 47,939,271,377.99 - Step 5: Solve for x
x = 47,939,271,377.99/251,375.64 - Step 6: Final answer
x = 190,707.70
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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.