Finding the Fourth Proportional to 339,746.99, 509,620.60 and 99,860.95
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Solution
The fourth proportional to 339,746.99, 509,620.60 and 99,860.95 is: 149,791.45
Step by Step Solution
- Step 1: Write the proportion equation
339,746.99 : 509,620.60 = 99,860.95 : x - Step 2: Convert to fraction form
339,746.99/509,620.60 = 99,860.95/x - Step 3: Cross multiply
339,746.99x = 509,620.60 × 99,860.95 - Step 4: Simplify right side
339,746.99x = 50,891,194,707.47 - Step 5: Solve for x
x = 50,891,194,707.47/339,746.99 - Step 6: Final answer
x = 149,791.45
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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.