Finding the Fourth Proportional to 507,202.88, 699,934.95 and 274,628.70
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Solution
The fourth proportional to 507,202.88, 699,934.95 and 274,628.70 is: 378,984.89
Step by Step Solution
- Step 1: Write the proportion equation
507,202.88 : 699,934.95 = 274,628.70 : x - Step 2: Convert to fraction form
507,202.88/699,934.95 = 274,628.70/x - Step 3: Cross multiply
507,202.88x = 699,934.95 × 274,628.70 - Step 4: Simplify right side
507,202.88x = 192,222,225,403.07 - Step 5: Solve for x
x = 192,222,225,403.07/507,202.88 - Step 6: Final answer
x = 378,984.89
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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.