Finding the Fourth Proportional to 383,978.21, 575,945.78 and 117,737.99
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Solution
The fourth proportional to 383,978.21, 575,945.78 and 117,737.99 is: 176,600.38
Step by Step Solution
- Step 1: Write the proportion equation
383,978.21 : 575,945.78 = 117,737.99 : x - Step 2: Convert to fraction form
383,978.21/575,945.78 = 117,737.99/x - Step 3: Cross multiply
383,978.21x = 575,945.78 × 117,737.99 - Step 4: Simplify right side
383,978.21x = 67,810,697,177.56 - Step 5: Solve for x
x = 67,810,697,177.56/383,978.21 - Step 6: Final answer
x = 176,600.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.