Finding the Fourth Proportional to 246,990.13, 340,847.80 and 133,812.88
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Solution
The fourth proportional to 246,990.13, 340,847.80 and 133,812.88 is: 184,662.54
Step by Step Solution
- Step 1: Write the proportion equation
246,990.13 : 340,847.80 = 133,812.88 : x - Step 2: Convert to fraction form
246,990.13/340,847.80 = 133,812.88/x - Step 3: Cross multiply
246,990.13x = 340,847.80 × 133,812.88 - Step 4: Simplify right side
246,990.13x = 45,609,824,573.01 - Step 5: Solve for x
x = 45,609,824,573.01/246,990.13 - Step 6: Final answer
x = 184,662.54
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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.