Finding the Fourth Proportional to 168,831.63, 253,121.67 and 56,445.36
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Solution
The fourth proportional to 168,831.63, 253,121.67 and 56,445.36 is: 84,625.99
Step by Step Solution
- Step 1: Write the proportion equation
168,831.63 : 253,121.67 = 56,445.36 : x - Step 2: Convert to fraction form
168,831.63/253,121.67 = 56,445.36/x - Step 3: Cross multiply
168,831.63x = 253,121.67 × 56,445.36 - Step 4: Simplify right side
168,831.63x = 14,287,543,786.95 - Step 5: Solve for x
x = 14,287,543,786.95/168,831.63 - Step 6: Final answer
x = 84,625.99
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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.