Finding the Fourth Proportional to 403,710.87, 605,684.73 and 119,408.92
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Solution
The fourth proportional to 403,710.87, 605,684.73 and 119,408.92 is: 179,148.41
Step by Step Solution
- Step 1: Write the proportion equation
403,710.87 : 605,684.73 = 119,408.92 : x - Step 2: Convert to fraction form
403,710.87/605,684.73 = 119,408.92/x - Step 3: Cross multiply
403,710.87x = 605,684.73 × 119,408.92 - Step 4: Simplify right side
403,710.87x = 72,324,159,469.79 - Step 5: Solve for x
x = 72,324,159,469.79/403,710.87 - Step 6: Final answer
x = 179,148.41
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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.