Finding the Fourth Proportional to 299,125.20, 448,687.80 and 272,881.20
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Solution
The fourth proportional to 299,125.20, 448,687.80 and 272,881.20 is: 409,321.80
Step by Step Solution
- Step 1: Write the proportion equation
299,125.20 : 448,687.80 = 272,881.20 : x - Step 2: Convert to fraction form
299,125.20/448,687.80 = 272,881.20/x - Step 3: Cross multiply
299,125.20x = 448,687.80 × 272,881.20 - Step 4: Simplify right side
299,125.20x = 122,438,465,289.36 - Step 5: Solve for x
x = 122,438,465,289.36/299,125.20 - Step 6: Final answer
x = 409,321.80
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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.