Finding the Fourth Proportional to 239,906.18, 328,669.96 and 230,934.62
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Solution
The fourth proportional to 239,906.18, 328,669.96 and 230,934.62 is: 316,378.98
Step by Step Solution
- Step 1: Write the proportion equation
239,906.18 : 328,669.96 = 230,934.62 : x - Step 2: Convert to fraction form
239,906.18/328,669.96 = 230,934.62/x - Step 3: Cross multiply
239,906.18x = 328,669.96 × 230,934.62 - Step 4: Simplify right side
239,906.18x = 75,901,272,318.02 - Step 5: Solve for x
x = 75,901,272,318.02/239,906.18 - Step 6: Final answer
x = 316,378.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.