Finding the Fourth Proportional to 307,940.20, 461,910.30 and 202,877.80
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Solution
The fourth proportional to 307,940.20, 461,910.30 and 202,877.80 is: 304,316.70
Step by Step Solution
- Step 1: Write the proportion equation
307,940.20 : 461,910.30 = 202,877.80 : x - Step 2: Convert to fraction form
307,940.20/461,910.30 = 202,877.80/x - Step 3: Cross multiply
307,940.20x = 461,910.30 × 202,877.80 - Step 4: Simplify right side
307,940.20x = 93,711,345,461.34 - Step 5: Solve for x
x = 93,711,345,461.34/307,940.20 - Step 6: Final answer
x = 304,316.70
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1.5x scale
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.