Finding the Fourth Proportional to 246,990.74, 340,847.55 and 133,813.49
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Solution
The fourth proportional to 246,990.74, 340,847.55 and 133,813.49 is: 184,662.79
Step by Step Solution
- Step 1: Write the proportion equation
246,990.74 : 340,847.55 = 133,813.49 : x - Step 2: Convert to fraction form
246,990.74/340,847.55 = 133,813.49/x - Step 3: Cross multiply
246,990.74x = 340,847.55 × 133,813.49 - Step 4: Simplify right side
246,990.74x = 45,609,998,519.21 - Step 5: Solve for x
x = 45,609,998,519.21/246,990.74 - Step 6: Final answer
x = 184,662.79
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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.