Finding the Fourth Proportional to 302,477.70, 453,716.55 and 92,115.30
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Solution
The fourth proportional to 302,477.70, 453,716.55 and 92,115.30 is: 138,172.95
Step by Step Solution
- Step 1: Write the proportion equation
302,477.70 : 453,716.55 = 92,115.30 : x - Step 2: Convert to fraction form
302,477.70/453,716.55 = 92,115.30/x - Step 3: Cross multiply
302,477.70x = 453,716.55 × 92,115.30 - Step 4: Simplify right side
302,477.70x = 41,794,236,118.22 - Step 5: Solve for x
x = 41,794,236,118.22/302,477.70 - Step 6: Final answer
x = 138,172.95
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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.