Finding the Fourth Proportional to 440,249.09, 660,669.62 and 155,938.68
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Solution
The fourth proportional to 440,249.09, 660,669.62 and 155,938.68 is: 234,012.86
Step by Step Solution
- Step 1: Write the proportion equation
440,249.09 : 660,669.62 = 155,938.68 : x - Step 2: Convert to fraction form
440,249.09/660,669.62 = 155,938.68/x - Step 3: Cross multiply
440,249.09x = 660,669.62 × 155,938.68 - Step 4: Simplify right side
440,249.09x = 103,023,947,679.21 - Step 5: Solve for x
x = 103,023,947,679.21/440,249.09 - Step 6: Final answer
x = 234,012.86
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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.