Finding the Fourth Proportional to 291,217.26, 436,888.26 and 164,917.20
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Solution
The fourth proportional to 291,217.26, 436,888.26 and 164,917.20 is: 247,411.12
Step by Step Solution
- Step 1: Write the proportion equation
291,217.26 : 436,888.26 = 164,917.20 : x - Step 2: Convert to fraction form
291,217.26/436,888.26 = 164,917.20/x - Step 3: Cross multiply
291,217.26x = 436,888.26 × 164,917.20 - Step 4: Simplify right side
291,217.26x = 72,050,388,552.07 - Step 5: Solve for x
x = 72,050,388,552.07/291,217.26 - Step 6: Final answer
x = 247,411.12
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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.