Finding the Fourth Proportional to 738,295.20, 1,107,442.80 and 239,659.20
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Solution
The fourth proportional to 738,295.20, 1,107,442.80 and 239,659.20 is: 359,488.80
Step by Step Solution
- Step 1: Write the proportion equation
738,295.20 : 1,107,442.80 = 239,659.20 : x - Step 2: Convert to fraction form
738,295.20/1,107,442.80 = 239,659.20/x - Step 3: Cross multiply
738,295.20x = 1,107,442.80 × 239,659.20 - Step 4: Simplify right side
738,295.20x = 265,408,855,493.76 - Step 5: Solve for x
x = 265,408,855,493.76/738,295.20 - Step 6: Final answer
x = 359,488.80
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Similar ratio
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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.