Finding the Fourth Proportional to 251,370.24, 346,899.84 and 138,201.60
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Solution
The fourth proportional to 251,370.24, 346,899.84 and 138,201.60 is: 190,723.11
Step by Step Solution
- Step 1: Write the proportion equation
251,370.24 : 346,899.84 = 138,201.60 : x - Step 2: Convert to fraction form
251,370.24/346,899.84 = 138,201.60/x - Step 3: Cross multiply
251,370.24x = 346,899.84 × 138,201.60 - Step 4: Simplify right side
251,370.24x = 47,942,112,927.74 - Step 5: Solve for x
x = 47,942,112,927.74/251,370.24 - Step 6: Final answer
x = 190,723.11
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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.