Finding the Fourth Proportional to 560,344.20, 839,745.36 and 240,112.74
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Solution
The fourth proportional to 560,344.20, 839,745.36 and 240,112.74 is: 359,838.75
Step by Step Solution
- Step 1: Write the proportion equation
560,344.20 : 839,745.36 = 240,112.74 : x - Step 2: Convert to fraction form
560,344.20/839,745.36 = 240,112.74/x - Step 3: Cross multiply
560,344.20x = 839,745.36 × 240,112.74 - Step 4: Simplify right side
560,344.20x = 201,633,559,291.89 - Step 5: Solve for x
x = 201,633,559,291.89/560,344.20 - Step 6: Final answer
x = 359,838.75
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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.