Finding the Fourth Proportional to 492,686.15, 738,701.01 and 177,102.05
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Solution
The fourth proportional to 492,686.15, 738,701.01 and 177,102.05 is: 265,535.09
Step by Step Solution
- Step 1: Write the proportion equation
492,686.15 : 738,701.01 = 177,102.05 : x - Step 2: Convert to fraction form
492,686.15/738,701.01 = 177,102.05/x - Step 3: Cross multiply
492,686.15x = 738,701.01 × 177,102.05 - Step 4: Simplify right side
492,686.15x = 130,825,459,514.57 - Step 5: Solve for x
x = 130,825,459,514.57/492,686.15 - Step 6: Final answer
x = 265,535.09
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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.