Finding the Fourth Proportional to 379,949.12, 524,101.35 and 250,888.78
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Solution
The fourth proportional to 379,949.12, 524,101.35 and 250,888.78 is: 346,075.68
Step by Step Solution
- Step 1: Write the proportion equation
379,949.12 : 524,101.35 = 250,888.78 : x - Step 2: Convert to fraction form
379,949.12/524,101.35 = 250,888.78/x - Step 3: Cross multiply
379,949.12x = 524,101.35 × 250,888.78 - Step 4: Simplify right side
379,949.12x = 131,491,148,297.85 - Step 5: Solve for x
x = 131,491,148,297.85/379,949.12 - Step 6: Final answer
x = 346,075.68
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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.