Finding the Fourth Proportional to 383,926.68, 529,830.36 and 214,157.16
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Solution
The fourth proportional to 383,926.68, 529,830.36 and 214,157.16 is: 295,543.32
Step by Step Solution
- Step 1: Write the proportion equation
383,926.68 : 529,830.36 = 214,157.16 : x - Step 2: Convert to fraction form
383,926.68/529,830.36 = 214,157.16/x - Step 3: Cross multiply
383,926.68x = 529,830.36 × 214,157.16 - Step 4: Simplify right side
383,926.68x = 113,466,965,179.38 - Step 5: Solve for x
x = 113,466,965,179.38/383,926.68 - Step 6: Final answer
x = 295,543.32
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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.