Finding the Fourth Proportional to 313,812.84, 433,306.11 and 193,010.28
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Solution
The fourth proportional to 313,812.84, 433,306.11 and 193,010.28 is: 266,504.50
Step by Step Solution
- Step 1: Write the proportion equation
313,812.84 : 433,306.11 = 193,010.28 : x - Step 2: Convert to fraction form
313,812.84/433,306.11 = 193,010.28/x - Step 3: Cross multiply
313,812.84x = 433,306.11 × 193,010.28 - Step 4: Simplify right side
313,812.84x = 83,632,533,616.81 - Step 5: Solve for x
x = 83,632,533,616.81/313,812.84 - Step 6: Final answer
x = 266,504.50
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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.