Finding the Fourth Proportional to 251,348.58, 346,852.26 and 138,170.52
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Solution
The fourth proportional to 251,348.58, 346,852.26 and 138,170.52 is: 190,670.49
Step by Step Solution
- Step 1: Write the proportion equation
251,348.58 : 346,852.26 = 138,170.52 : x - Step 2: Convert to fraction form
251,348.58/346,852.26 = 138,170.52/x - Step 3: Cross multiply
251,348.58x = 346,852.26 × 138,170.52 - Step 4: Simplify right side
251,348.58x = 47,924,757,127.38 - Step 5: Solve for x
x = 47,924,757,127.38/251,348.58 - Step 6: Final answer
x = 190,670.49
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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.