Finding the Fourth Proportional to 246,986.57, 340,843.11 and 133,809.32
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Solution
The fourth proportional to 246,986.57, 340,843.11 and 133,809.32 is: 184,657.75
Step by Step Solution
- Step 1: Write the proportion equation
246,986.57 : 340,843.11 = 133,809.32 : x - Step 2: Convert to fraction form
246,986.57/340,843.11 = 133,809.32/x - Step 3: Cross multiply
246,986.57x = 340,843.11 × 133,809.32 - Step 4: Simplify right side
246,986.57x = 45,607,985,126.11 - Step 5: Solve for x
x = 45,607,985,126.11/246,986.57 - Step 6: Final answer
x = 184,657.75
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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.