Finding the Fourth Proportional to 258,880.99, 388,140.94 and 114,708.40
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Solution
The fourth proportional to 258,880.99, 388,140.94 and 114,708.40 is: 171,982.59
Step by Step Solution
- Step 1: Write the proportion equation
258,880.99 : 388,140.94 = 114,708.40 : x - Step 2: Convert to fraction form
258,880.99/388,140.94 = 114,708.40/x - Step 3: Cross multiply
258,880.99x = 388,140.94 × 114,708.40 - Step 4: Simplify right side
258,880.99x = 44,523,024,261.19 - Step 5: Solve for x
x = 44,523,024,261.19/258,880.99 - Step 6: Final answer
x = 171,982.59
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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.