Finding the Fourth Proportional to 258,959.68, 357,371.04 and 145,786.48
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Solution
The fourth proportional to 258,959.68, 357,371.04 and 145,786.48 is: 201,189.10
Step by Step Solution
- Step 1: Write the proportion equation
258,959.68 : 357,371.04 = 145,786.48 : x - Step 2: Convert to fraction form
258,959.68/357,371.04 = 145,786.48/x - Step 3: Cross multiply
258,959.68x = 357,371.04 × 145,786.48 - Step 4: Simplify right side
258,959.68x = 52,099,865,975.54 - Step 5: Solve for x
x = 52,099,865,975.54/258,959.68 - Step 6: Final answer
x = 201,189.10
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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.