Finding the Fourth Proportional to 246,989.21, 340,846.74 and 133,811.96
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Solution
The fourth proportional to 246,989.21, 340,846.74 and 133,811.96 is: 184,661.38
Step by Step Solution
- Step 1: Write the proportion equation
246,989.21 : 340,846.74 = 133,811.96 : x - Step 2: Convert to fraction form
246,989.21/340,846.74 = 133,811.96/x - Step 3: Cross multiply
246,989.21x = 340,846.74 × 133,811.96 - Step 4: Simplify right side
246,989.21x = 45,609,368,634.78 - Step 5: Solve for x
x = 45,609,368,634.78/246,989.21 - Step 6: Final answer
x = 184,661.38
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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.