Finding the Fourth Proportional to 419,599.07, 629,947.41 and 249,131.99
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Solution
The fourth proportional to 419,599.07, 629,947.41 and 249,131.99 is: 374,023.83
Step by Step Solution
- Step 1: Write the proportion equation
419,599.07 : 629,947.41 = 249,131.99 : x - Step 2: Convert to fraction form
419,599.07/629,947.41 = 249,131.99/x - Step 3: Cross multiply
419,599.07x = 629,947.41 × 249,131.99 - Step 4: Simplify right side
419,599.07x = 156,940,050,347.18 - Step 5: Solve for x
x = 156,940,050,347.18/419,599.07 - Step 6: Final answer
x = 374,023.83
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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.