Finding the Fourth Proportional to 494,515.13, 682,430.87 and 268,160.63
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Solution
The fourth proportional to 494,515.13, 682,430.87 and 268,160.63 is: 370,061.66
Step by Step Solution
- Step 1: Write the proportion equation
494,515.13 : 682,430.87 = 268,160.63 : x - Step 2: Convert to fraction form
494,515.13/682,430.87 = 268,160.63/x - Step 3: Cross multiply
494,515.13x = 682,430.87 × 268,160.63 - Step 4: Simplify right side
494,515.13x = 183,001,089,288.90 - Step 5: Solve for x
x = 183,001,089,288.90/494,515.13 - Step 6: Final answer
x = 370,061.66
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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.