Finding the Fourth Proportional to 258,963.68, 357,376.56 and 145,790.48
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Solution
The fourth proportional to 258,963.68, 357,376.56 and 145,790.48 is: 201,194.62
Step by Step Solution
- Step 1: Write the proportion equation
258,963.68 : 357,376.56 = 145,790.48 : x - Step 2: Convert to fraction form
258,963.68/357,376.56 = 145,790.48/x - Step 3: Cross multiply
258,963.68x = 357,376.56 × 145,790.48 - Step 4: Simplify right side
258,963.68x = 52,102,100,223.15 - Step 5: Solve for x
x = 52,102,100,223.15/258,963.68 - Step 6: Final answer
x = 201,194.62
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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.