Finding the Fourth Proportional to 271,989.60, 408,118.08 and 122,335.68
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Solution
The fourth proportional to 271,989.60, 408,118.08 and 122,335.68 is: 183,563.65
Step by Step Solution
- Step 1: Write the proportion equation
271,989.60 : 408,118.08 = 122,335.68 : x - Step 2: Convert to fraction form
271,989.60/408,118.08 = 122,335.68/x - Step 3: Cross multiply
271,989.60x = 408,118.08 × 122,335.68 - Step 4: Simplify right side
271,989.60x = 49,927,402,837.09 - Step 5: Solve for x
x = 49,927,402,837.09/271,989.60 - Step 6: Final answer
x = 183,563.65
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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.