Finding the Fourth Proportional to 330,666.75, 456,323.36 and 179,766.99
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Solution
The fourth proportional to 330,666.75, 456,323.36 and 179,766.99 is: 248,080.21
Step by Step Solution
- Step 1: Write the proportion equation
330,666.75 : 456,323.36 = 179,766.99 : x - Step 2: Convert to fraction form
330,666.75/456,323.36 = 179,766.99/x - Step 3: Cross multiply
330,666.75x = 456,323.36 × 179,766.99 - Step 4: Simplify right side
330,666.75x = 82,031,875,995.05 - Step 5: Solve for x
x = 82,031,875,995.05/330,666.75 - Step 6: Final answer
x = 248,080.21
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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.