Finding the Fourth Proportional to 206,587.61, 310,012.47 and 88,259.84
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Solution
The fourth proportional to 206,587.61, 310,012.47 and 88,259.84 is: 132,445.75
Step by Step Solution
- Step 1: Write the proportion equation
206,587.61 : 310,012.47 = 88,259.84 : x - Step 2: Convert to fraction form
206,587.61/310,012.47 = 88,259.84/x - Step 3: Cross multiply
206,587.61x = 310,012.47 × 88,259.84 - Step 4: Simplify right side
206,587.61x = 27,361,649,450.14 - Step 5: Solve for x
x = 27,361,649,450.14/206,587.61 - Step 6: Final answer
x = 132,445.75
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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.