Finding the Fourth Proportional to 390,645.68, 585,991.40 and 150,760.84
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Solution
The fourth proportional to 390,645.68, 585,991.40 and 150,760.84 is: 226,150.09
Step by Step Solution
- Step 1: Write the proportion equation
390,645.68 : 585,991.40 = 150,760.84 : x - Step 2: Convert to fraction form
390,645.68/585,991.40 = 150,760.84/x - Step 3: Cross multiply
390,645.68x = 585,991.40 × 150,760.84 - Step 4: Simplify right side
390,645.68x = 88,344,555,696.78 - Step 5: Solve for x
x = 88,344,555,696.78/390,645.68 - Step 6: Final answer
x = 226,150.09
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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.