Finding the Fourth Proportional to 339,343.70, 508,237.95 and 331,567.70
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Solution
The fourth proportional to 339,343.70, 508,237.95 and 331,567.70 is: 496,591.77
Step by Step Solution
- Step 1: Write the proportion equation
339,343.70 : 508,237.95 = 331,567.70 : x - Step 2: Convert to fraction form
339,343.70/508,237.95 = 331,567.70/x - Step 3: Cross multiply
339,343.70x = 508,237.95 × 331,567.70 - Step 4: Simplify right side
339,343.70x = 168,515,288,134.22 - Step 5: Solve for x
x = 168,515,288,134.22/339,343.70 - Step 6: Final answer
x = 496,591.77
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1.5x scale
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.