Finding the Fourth Proportional to 945,449.99, 1,418,180.19 and 235,478.07
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Solution
The fourth proportional to 945,449.99, 1,418,180.19 and 235,478.07 is: 353,218.40
Step by Step Solution
- Step 1: Write the proportion equation
945,449.99 : 1,418,180.19 = 235,478.07 : x - Step 2: Convert to fraction form
945,449.99/1,418,180.19 = 235,478.07/x - Step 3: Cross multiply
945,449.99x = 1,418,180.19 × 235,478.07 - Step 4: Simplify right side
945,449.99x = 333,950,334,053.43 - Step 5: Solve for x
x = 333,950,334,053.43/945,449.99 - Step 6: Final answer
x = 353,218.40
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1.5x scale
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.