Finding the Fourth Proportional to 302,855.20, 453,207.60 and 263,840.80
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Solution
The fourth proportional to 302,855.20, 453,207.60 and 263,840.80 is: 394,824.51
Step by Step Solution
- Step 1: Write the proportion equation
302,855.20 : 453,207.60 = 263,840.80 : x - Step 2: Convert to fraction form
302,855.20/453,207.60 = 263,840.80/x - Step 3: Cross multiply
302,855.20x = 453,207.60 × 263,840.80 - Step 4: Simplify right side
302,855.20x = 119,574,655,750.08 - Step 5: Solve for x
x = 119,574,655,750.08/302,855.20 - Step 6: Final answer
x = 394,824.51
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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.