Finding the Fourth Proportional to 339,859.97, 509,756.95 and 103,204.70
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Solution
The fourth proportional to 339,859.97, 509,756.95 and 103,204.70 is: 154,797.03
Step by Step Solution
- Step 1: Write the proportion equation
339,859.97 : 509,756.95 = 103,204.70 : x - Step 2: Convert to fraction form
339,859.97/509,756.95 = 103,204.70/x - Step 3: Cross multiply
339,859.97x = 509,756.95 × 103,204.70 - Step 4: Simplify right side
339,859.97x = 52,609,313,097.67 - Step 5: Solve for x
x = 52,609,313,097.67/339,859.97 - Step 6: Final answer
x = 154,797.03
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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.