Finding the Fourth Proportional to 330,143.21, 456,024.99 and 273,013.29
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Solution
The fourth proportional to 330,143.21, 456,024.99 and 273,013.29 is: 377,111.75
Step by Step Solution
- Step 1: Write the proportion equation
330,143.21 : 456,024.99 = 273,013.29 : x - Step 2: Convert to fraction form
330,143.21/456,024.99 = 273,013.29/x - Step 3: Cross multiply
330,143.21x = 456,024.99 × 273,013.29 - Step 4: Simplify right side
330,143.21x = 124,500,882,842.12 - Step 5: Solve for x
x = 124,500,882,842.12/330,143.21 - Step 6: Final answer
x = 377,111.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.