Finding the Fourth Proportional to 291,920.70, 436,959.45 and 282,704.70
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Solution
The fourth proportional to 291,920.70, 436,959.45 and 282,704.70 is: 423,164.55
Step by Step Solution
- Step 1: Write the proportion equation
291,920.70 : 436,959.45 = 282,704.70 : x - Step 2: Convert to fraction form
291,920.70/436,959.45 = 282,704.70/x - Step 3: Cross multiply
291,920.70x = 436,959.45 × 282,704.70 - Step 4: Simplify right side
291,920.70x = 123,530,490,224.42 - Step 5: Solve for x
x = 123,530,490,224.42/291,920.70 - Step 6: Final answer
x = 423,164.55
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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.