Finding the Fourth Proportional to 356,375.03, 491,797.51 and 213,135.06
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Solution
The fourth proportional to 356,375.03, 491,797.51 and 213,135.06 is: 294,126.37
Step by Step Solution
- Step 1: Write the proportion equation
356,375.03 : 491,797.51 = 213,135.06 : x - Step 2: Convert to fraction form
356,375.03/491,797.51 = 213,135.06/x - Step 3: Cross multiply
356,375.03x = 491,797.51 × 213,135.06 - Step 4: Simplify right side
356,375.03x = 104,819,293,113.10 - Step 5: Solve for x
x = 104,819,293,113.10/356,375.03 - Step 6: Final answer
x = 294,126.37
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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.