Finding the Fourth Proportional to 231,972.24, 348,013.62 and 82,225.60
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Solution
The fourth proportional to 231,972.24, 348,013.62 and 82,225.60 is: 123,357.99
Step by Step Solution
- Step 1: Write the proportion equation
231,972.24 : 348,013.62 = 82,225.60 : x - Step 2: Convert to fraction form
231,972.24/348,013.62 = 82,225.60/x - Step 3: Cross multiply
231,972.24x = 348,013.62 × 82,225.60 - Step 4: Simplify right side
231,972.24x = 28,615,628,712.67 - Step 5: Solve for x
x = 28,615,628,712.67/231,972.24 - Step 6: Final answer
x = 123,357.99
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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.