Finding the Fourth Proportional to 535,154.49, 738,748.67 and 374,639.63
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Solution
The fourth proportional to 535,154.49, 738,748.67 and 374,639.63 is: 517,167.52
Step by Step Solution
- Step 1: Write the proportion equation
535,154.49 : 738,748.67 = 374,639.63 : x - Step 2: Convert to fraction form
535,154.49/738,748.67 = 374,639.63/x - Step 3: Cross multiply
535,154.49x = 738,748.67 × 374,639.63 - Step 4: Simplify right side
535,154.49x = 276,764,522,824.85 - Step 5: Solve for x
x = 276,764,522,824.85/535,154.49 - Step 6: Final answer
x = 517,167.52
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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.