Finding the Fourth Proportional to 155,415.68, 233,122.75 and 134,291.44
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Solution
The fourth proportional to 155,415.68, 233,122.75 and 134,291.44 is: 201,436.49
Step by Step Solution
- Step 1: Write the proportion equation
155,415.68 : 233,122.75 = 134,291.44 : x - Step 2: Convert to fraction form
155,415.68/233,122.75 = 134,291.44/x - Step 3: Cross multiply
155,415.68x = 233,122.75 × 134,291.44 - Step 4: Simplify right side
155,415.68x = 31,306,389,794.26 - Step 5: Solve for x
x = 31,306,389,794.26/155,415.68 - Step 6: Final answer
x = 201,436.49
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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.