Finding the Fourth Proportional to 437,250.80, 655,487.40 and 259,569.20
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Solution
The fourth proportional to 437,250.80, 655,487.40 and 259,569.20 is: 389,122.99
Step by Step Solution
- Step 1: Write the proportion equation
437,250.80 : 655,487.40 = 259,569.20 : x - Step 2: Convert to fraction form
437,250.80/655,487.40 = 259,569.20/x - Step 3: Cross multiply
437,250.80x = 655,487.40 × 259,569.20 - Step 4: Simplify right side
437,250.80x = 170,144,340,028.08 - Step 5: Solve for x
x = 170,144,340,028.08/437,250.80 - Step 6: Final answer
x = 389,122.99
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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.