Finding the Fourth Proportional to 251,437.94, 346,984.35 and 138,260.69
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Solution
The fourth proportional to 251,437.94, 346,984.35 and 138,260.69 is: 190,799.75
Step by Step Solution
- Step 1: Write the proportion equation
251,437.94 : 346,984.35 = 138,260.69 : x - Step 2: Convert to fraction form
251,437.94/346,984.35 = 138,260.69/x - Step 3: Cross multiply
251,437.94x = 346,984.35 × 138,260.69 - Step 4: Simplify right side
251,437.94x = 47,974,295,650.20 - Step 5: Solve for x
x = 47,974,295,650.20/251,437.94 - Step 6: Final answer
x = 190,799.75
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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.