Finding the Fourth Proportional to 282,135.68, 389,318.88 and 168,955.52
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Solution
The fourth proportional to 282,135.68, 389,318.88 and 168,955.52 is: 233,141.64
Step by Step Solution
- Step 1: Write the proportion equation
282,135.68 : 389,318.88 = 168,955.52 : x - Step 2: Convert to fraction form
282,135.68/389,318.88 = 168,955.52/x - Step 3: Cross multiply
282,135.68x = 389,318.88 × 168,955.52 - Step 4: Simplify right side
282,135.68x = 65,777,573,816.22 - Step 5: Solve for x
x = 65,777,573,816.22/282,135.68 - Step 6: Final answer
x = 233,141.64
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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.