Finding the Fourth Proportional to 206,970.26, 310,234.35 and 118,032.26
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Solution
The fourth proportional to 206,970.26, 310,234.35 and 118,032.26 is: 176,922.33
Step by Step Solution
- Step 1: Write the proportion equation
206,970.26 : 310,234.35 = 118,032.26 : x - Step 2: Convert to fraction form
206,970.26/310,234.35 = 118,032.26/x - Step 3: Cross multiply
206,970.26x = 310,234.35 × 118,032.26 - Step 4: Simplify right side
206,970.26x = 36,617,661,460.13 - Step 5: Solve for x
x = 36,617,661,460.13/206,970.26 - Step 6: Final answer
x = 176,922.33
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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.