Finding the Fourth Proportional to 178,857.60, 246,818.34 and 101,326.02
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Solution
The fourth proportional to 178,857.60, 246,818.34 and 101,326.02 is: 139,826.99
Step by Step Solution
- Step 1: Write the proportion equation
178,857.60 : 246,818.34 = 101,326.02 : x - Step 2: Convert to fraction form
178,857.60/246,818.34 = 101,326.02/x - Step 3: Cross multiply
178,857.60x = 246,818.34 × 101,326.02 - Step 4: Simplify right side
178,857.60x = 25,009,120,055.21 - Step 5: Solve for x
x = 25,009,120,055.21/178,857.60 - Step 6: Final answer
x = 139,826.99
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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.