Finding the Fourth Proportional to 291,355.15, 437,087.85 and 113,850.94
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Solution
The fourth proportional to 291,355.15, 437,087.85 and 113,850.94 is: 170,797.95
Step by Step Solution
- Step 1: Write the proportion equation
291,355.15 : 437,087.85 = 113,850.94 : x - Step 2: Convert to fraction form
291,355.15/437,087.85 = 113,850.94/x - Step 3: Cross multiply
291,355.15x = 437,087.85 × 113,850.94 - Step 4: Simplify right side
291,355.15x = 49,762,862,585.08 - Step 5: Solve for x
x = 49,762,862,585.08/291,355.15 - Step 6: Final answer
x = 170,797.95
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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.