Finding the Fourth Proportional to 291,701.70, 436,896.45 and 173,603.70
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Solution
The fourth proportional to 291,701.70, 436,896.45 and 173,603.70 is: 260,015.08
Step by Step Solution
- Step 1: Write the proportion equation
291,701.70 : 436,896.45 = 173,603.70 : x - Step 2: Convert to fraction form
291,701.70/436,896.45 = 173,603.70/x - Step 3: Cross multiply
291,701.70x = 436,896.45 × 173,603.70 - Step 4: Simplify right side
291,701.70x = 75,846,840,236.87 - Step 5: Solve for x
x = 75,846,840,236.87/291,701.70 - Step 6: Final answer
x = 260,015.08
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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.