Finding the Fourth Proportional to 245,328.20, 367,992.30 and 133,353.80
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Solution
The fourth proportional to 245,328.20, 367,992.30 and 133,353.80 is: 200,030.70
Step by Step Solution
- Step 1: Write the proportion equation
245,328.20 : 367,992.30 = 133,353.80 : x - Step 2: Convert to fraction form
245,328.20/367,992.30 = 133,353.80/x - Step 3: Cross multiply
245,328.20x = 367,992.30 × 133,353.80 - Step 4: Simplify right side
245,328.20x = 49,073,171,575.74 - Step 5: Solve for x
x = 49,073,171,575.74/245,328.20 - Step 6: Final answer
x = 200,030.70
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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.