Finding the Fourth Proportional to 365,378.40, 547,808.40 and 165,794.40
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Solution
The fourth proportional to 365,378.40, 547,808.40 and 165,794.40 is: 248,573.99
Step by Step Solution
- Step 1: Write the proportion equation
365,378.40 : 547,808.40 = 165,794.40 : x - Step 2: Convert to fraction form
365,378.40/547,808.40 = 165,794.40/x - Step 3: Cross multiply
365,378.40x = 547,808.40 × 165,794.40 - Step 4: Simplify right side
365,378.40x = 90,823,564,992.96 - Step 5: Solve for x
x = 90,823,564,992.96/365,378.40 - Step 6: Final answer
x = 248,573.99
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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.