Finding the Fourth Proportional to 416,497.20, 624,743.73 and 100,954.11
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Solution
The fourth proportional to 416,497.20, 624,743.73 and 100,954.11 is: 151,430.66
Step by Step Solution
- Step 1: Write the proportion equation
416,497.20 : 624,743.73 = 100,954.11 : x - Step 2: Convert to fraction form
416,497.20/624,743.73 = 100,954.11/x - Step 3: Cross multiply
416,497.20x = 624,743.73 × 100,954.11 - Step 4: Simplify right side
416,497.20x = 63,070,447,240.23 - Step 5: Solve for x
x = 63,070,447,240.23/416,497.20 - Step 6: Final answer
x = 151,430.66
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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.