Finding the Fourth Proportional to 379,948.87, 524,101.01 and 250,888.53
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Solution
The fourth proportional to 379,948.87, 524,101.01 and 250,888.53 is: 346,075.33
Step by Step Solution
- Step 1: Write the proportion equation
379,948.87 : 524,101.01 = 250,888.53 : x - Step 2: Convert to fraction form
379,948.87/524,101.01 = 250,888.53/x - Step 3: Cross multiply
379,948.87x = 524,101.01 × 250,888.53 - Step 4: Simplify right side
379,948.87x = 131,490,930,715.97 - Step 5: Solve for x
x = 131,490,930,715.97/379,948.87 - Step 6: Final answer
x = 346,075.33
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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.