Finding the Fourth Proportional to 330,990.96, 456,772.20 and 180,088.08
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Solution
The fourth proportional to 330,990.96, 456,772.20 and 180,088.08 is: 248,524.09
Step by Step Solution
- Step 1: Write the proportion equation
330,990.96 : 456,772.20 = 180,088.08 : x - Step 2: Convert to fraction form
330,990.96/456,772.20 = 180,088.08/x - Step 3: Cross multiply
330,990.96x = 456,772.20 × 180,088.08 - Step 4: Simplify right side
330,990.96x = 82,259,228,495.38 - Step 5: Solve for x
x = 82,259,228,495.38/330,990.96 - Step 6: Final answer
x = 248,524.09
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1.5x scale
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.