Finding the Fourth Proportional to 339,222.45, 508,907.49 and 102,558.99
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Solution
The fourth proportional to 339,222.45, 508,907.49 and 102,558.99 is: 153,860.80
Step by Step Solution
- Step 1: Write the proportion equation
339,222.45 : 508,907.49 = 102,558.99 : x - Step 2: Convert to fraction form
339,222.45/508,907.49 = 102,558.99/x - Step 3: Cross multiply
339,222.45x = 508,907.49 × 102,558.99 - Step 4: Simplify right side
339,222.45x = 52,193,038,177.84 - Step 5: Solve for x
x = 52,193,038,177.84/339,222.45 - Step 6: Final answer
x = 153,860.80
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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.