Finding the Fourth Proportional to 205,931.63, 309,115.79 and 182,391.98
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Solution
The fourth proportional to 205,931.63, 309,115.79 and 182,391.98 is: 273,781.37
Step by Step Solution
- Step 1: Write the proportion equation
205,931.63 : 309,115.79 = 182,391.98 : x - Step 2: Convert to fraction form
205,931.63/309,115.79 = 182,391.98/x - Step 3: Cross multiply
205,931.63x = 309,115.79 × 182,391.98 - Step 4: Simplify right side
205,931.63x = 56,380,242,216.13 - Step 5: Solve for x
x = 56,380,242,216.13/205,931.63 - Step 6: Final answer
x = 273,781.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.