Finding the Fourth Proportional to 416,448.60, 624,929.84 and 163,684.68
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Solution
The fourth proportional to 416,448.60, 624,929.84 and 163,684.68 is: 245,628.01
Step by Step Solution
- Step 1: Write the proportion equation
416,448.60 : 624,929.84 = 163,684.68 : x - Step 2: Convert to fraction form
416,448.60/624,929.84 = 163,684.68/x - Step 3: Cross multiply
416,448.60x = 624,929.84 × 163,684.68 - Step 4: Simplify right side
416,448.60x = 102,291,440,882.85 - Step 5: Solve for x
x = 102,291,440,882.85/416,448.60 - Step 6: Final answer
x = 245,628.01
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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.