Finding the Fourth Proportional to 354,046.87, 531,069.81 and 164,403.53
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Solution
The fourth proportional to 354,046.87, 531,069.81 and 164,403.53 is: 246,605.07
Step by Step Solution
- Step 1: Write the proportion equation
354,046.87 : 531,069.81 = 164,403.53 : x - Step 2: Convert to fraction form
354,046.87/531,069.81 = 164,403.53/x - Step 3: Cross multiply
354,046.87x = 531,069.81 × 164,403.53 - Step 4: Simplify right side
354,046.87x = 87,309,751,440.43 - Step 5: Solve for x
x = 87,309,751,440.43/354,046.87 - Step 6: Final answer
x = 246,605.07
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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.