Finding the Fourth Proportional to 228,933.24, 343,353.10 and 86,729.49
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Solution
The fourth proportional to 228,933.24, 343,353.10 and 86,729.49 is: 130,076.52
Step by Step Solution
- Step 1: Write the proportion equation
228,933.24 : 343,353.10 = 86,729.49 : x - Step 2: Convert to fraction form
228,933.24/343,353.10 = 86,729.49/x - Step 3: Cross multiply
228,933.24x = 343,353.10 × 86,729.49 - Step 4: Simplify right side
228,933.24x = 29,778,839,252.92 - Step 5: Solve for x
x = 29,778,839,252.92/228,933.24 - Step 6: Final answer
x = 130,076.52
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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.