Finding the Fourth Proportional to 439,825.41, 659,750.40 and 155,475.77
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Solution
The fourth proportional to 439,825.41, 659,750.40 and 155,475.77 is: 233,217.99
Step by Step Solution
- Step 1: Write the proportion equation
439,825.41 : 659,750.40 = 155,475.77 : x - Step 2: Convert to fraction form
439,825.41/659,750.40 = 155,475.77/x - Step 3: Cross multiply
439,825.41x = 659,750.40 × 155,475.77 - Step 4: Simplify right side
439,825.41x = 102,575,198,149.06 - Step 5: Solve for x
x = 102,575,198,149.06/439,825.41 - Step 6: Final answer
x = 233,217.99
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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.