Finding the Fourth Proportional to 394,430.70, 591,646.05 and 173,246.70
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Solution
The fourth proportional to 394,430.70, 591,646.05 and 173,246.70 is: 259,870.05
Step by Step Solution
- Step 1: Write the proportion equation
394,430.70 : 591,646.05 = 173,246.70 : x - Step 2: Convert to fraction form
394,430.70/591,646.05 = 173,246.70/x - Step 3: Cross multiply
394,430.70x = 591,646.05 × 173,246.70 - Step 4: Simplify right side
394,430.70x = 102,500,725,730.54 - Step 5: Solve for x
x = 102,500,725,730.54/394,430.70 - Step 6: Final answer
x = 259,870.05
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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.