Finding the Fourth Proportional to 370,266.21, 555,284.43 and 133,578.09
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Solution
The fourth proportional to 370,266.21, 555,284.43 and 133,578.09 is: 200,325.69
Step by Step Solution
- Step 1: Write the proportion equation
370,266.21 : 555,284.43 = 133,578.09 : x - Step 2: Convert to fraction form
370,266.21/555,284.43 = 133,578.09/x - Step 3: Cross multiply
370,266.21x = 555,284.43 × 133,578.09 - Step 4: Simplify right side
370,266.21x = 74,173,833,566.14 - Step 5: Solve for x
x = 74,173,833,566.14/370,266.21 - Step 6: Final answer
x = 200,325.69
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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.