Finding the Fourth Proportional to 311,946.80, 467,920.20 and 247,731.02
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Solution
The fourth proportional to 311,946.80, 467,920.20 and 247,731.02 is: 371,596.53
Step by Step Solution
- Step 1: Write the proportion equation
311,946.80 : 467,920.20 = 247,731.02 : x - Step 2: Convert to fraction form
311,946.80/467,920.20 = 247,731.02/x - Step 3: Cross multiply
311,946.80x = 467,920.20 × 247,731.02 - Step 4: Simplify right side
311,946.80x = 115,918,348,424.60 - Step 5: Solve for x
x = 115,918,348,424.60/311,946.80 - Step 6: Final answer
x = 371,596.53
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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.