Finding the Fourth Proportional to 269,316.95, 371,640.69 and 148,451.99
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Solution
The fourth proportional to 269,316.95, 371,640.69 and 148,451.99 is: 204,854.54
Step by Step Solution
- Step 1: Write the proportion equation
269,316.95 : 371,640.69 = 148,451.99 : x - Step 2: Convert to fraction form
269,316.95/371,640.69 = 148,451.99/x - Step 3: Cross multiply
269,316.95x = 371,640.69 × 148,451.99 - Step 4: Simplify right side
269,316.95x = 55,170,798,137.27 - Step 5: Solve for x
x = 55,170,798,137.27/269,316.95 - Step 6: Final answer
x = 204,854.54
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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.