Finding the Fourth Proportional to 299,135.20, 448,702.80 and 272,891.20
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Solution
The fourth proportional to 299,135.20, 448,702.80 and 272,891.20 is: 409,336.80
Step by Step Solution
- Step 1: Write the proportion equation
299,135.20 : 448,702.80 = 272,891.20 : x - Step 2: Convert to fraction form
299,135.20/448,702.80 = 272,891.20/x - Step 3: Cross multiply
299,135.20x = 448,702.80 × 272,891.20 - Step 4: Simplify right side
299,135.20x = 122,447,045,535.36 - Step 5: Solve for x
x = 122,447,045,535.36/299,135.20 - Step 6: Final answer
x = 409,336.80
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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.