Finding the Fourth Proportional to 457,261.93, 631,329.42 and 285,441.49
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Solution
The fourth proportional to 457,261.93, 631,329.42 and 285,441.49 is: 394,101.50
Step by Step Solution
- Step 1: Write the proportion equation
457,261.93 : 631,329.42 = 285,441.49 : x - Step 2: Convert to fraction form
457,261.93/631,329.42 = 285,441.49/x - Step 3: Cross multiply
457,261.93x = 631,329.42 × 285,441.49 - Step 4: Simplify right side
457,261.93x = 180,207,610,325.64 - Step 5: Solve for x
x = 180,207,610,325.64/457,261.93 - Step 6: Final answer
x = 394,101.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.