Finding the Fourth Proportional to 847,316.97, 1,270,974.39 and 216,230.79
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Solution
The fourth proportional to 847,316.97, 1,270,974.39 and 216,230.79 is: 324,345.91
Step by Step Solution
- Step 1: Write the proportion equation
847,316.97 : 1,270,974.39 = 216,230.79 : x - Step 2: Convert to fraction form
847,316.97/1,270,974.39 = 216,230.79/x - Step 3: Cross multiply
847,316.97x = 1,270,974.39 × 216,230.79 - Step 4: Simplify right side
847,316.97x = 274,823,796,419.47 - Step 5: Solve for x
x = 274,823,796,419.47/847,316.97 - Step 6: Final answer
x = 324,345.91
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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.