Finding the Fourth Proportional to 282,407.72, 423,693.57 and 113,841.05
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Solution
The fourth proportional to 282,407.72, 423,693.57 and 113,841.05 is: 170,794.63
Step by Step Solution
- Step 1: Write the proportion equation
282,407.72 : 423,693.57 = 113,841.05 : x - Step 2: Convert to fraction form
282,407.72/423,693.57 = 113,841.05/x - Step 3: Cross multiply
282,407.72x = 423,693.57 × 113,841.05 - Step 4: Simplify right side
282,407.72x = 48,233,720,887.05 - Step 5: Solve for x
x = 48,233,720,887.05/282,407.72 - Step 6: Final answer
x = 170,794.63
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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.