Finding the Fourth Proportional to 535,375.21, 738,818.99 and 309,020.53
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Solution
The fourth proportional to 535,375.21, 738,818.99 and 309,020.53 is: 426,449.02
Step by Step Solution
- Step 1: Write the proportion equation
535,375.21 : 738,818.99 = 309,020.53 : x - Step 2: Convert to fraction form
535,375.21/738,818.99 = 309,020.53/x - Step 3: Cross multiply
535,375.21x = 738,818.99 × 309,020.53 - Step 4: Simplify right side
535,375.21x = 228,310,235,863.87 - Step 5: Solve for x
x = 228,310,235,863.87/535,375.21 - Step 6: Final answer
x = 426,449.02
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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.