Finding the Fourth Proportional to 393,455.06, 590,215.11 and 165,816.53
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Solution
The fourth proportional to 393,455.06, 590,215.11 and 165,816.53 is: 248,738.50
Step by Step Solution
- Step 1: Write the proportion equation
393,455.06 : 590,215.11 = 165,816.53 : x - Step 2: Convert to fraction form
393,455.06/590,215.11 = 165,816.53/x - Step 3: Cross multiply
393,455.06x = 590,215.11 × 165,816.53 - Step 4: Simplify right side
393,455.06x = 97,867,421,493.77 - Step 5: Solve for x
x = 97,867,421,493.77/393,455.06 - Step 6: Final answer
x = 248,738.50
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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.