Finding the Fourth Proportional to 364,563.80, 546,845.70 and 311,419.70
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Solution
The fourth proportional to 364,563.80, 546,845.70 and 311,419.70 is: 467,129.55
Step by Step Solution
- Step 1: Write the proportion equation
364,563.80 : 546,845.70 = 311,419.70 : x - Step 2: Convert to fraction form
364,563.80/546,845.70 = 311,419.70/x - Step 3: Cross multiply
364,563.80x = 546,845.70 × 311,419.70 - Step 4: Simplify right side
364,563.80x = 170,298,523,840.29 - Step 5: Solve for x
x = 170,298,523,840.29/364,563.80 - Step 6: Final answer
x = 467,129.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.