Finding the Fourth Proportional to 383,438.70, 575,137.02 and 117,199.08
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Solution
The fourth proportional to 383,438.70, 575,137.02 and 117,199.08 is: 175,792.19
Step by Step Solution
- Step 1: Write the proportion equation
383,438.70 : 575,137.02 = 117,199.08 : x - Step 2: Convert to fraction form
383,438.70/575,137.02 = 117,199.08/x - Step 3: Cross multiply
383,438.70x = 575,137.02 × 117,199.08 - Step 4: Simplify right side
383,438.70x = 67,405,529,617.94 - Step 5: Solve for x
x = 67,405,529,617.94/383,438.70 - Step 6: Final answer
x = 175,792.19
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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.