Finding the Fourth Proportional to 433,220.13, 650,149.47 and 205,516.44
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Solution
The fourth proportional to 433,220.13, 650,149.47 and 205,516.44 is: 308,426.12
Step by Step Solution
- Step 1: Write the proportion equation
433,220.13 : 650,149.47 = 205,516.44 : x - Step 2: Convert to fraction form
433,220.13/650,149.47 = 205,516.44/x - Step 3: Cross multiply
433,220.13x = 650,149.47 × 205,516.44 - Step 4: Simplify right side
433,220.13x = 133,616,404,542.29 - Step 5: Solve for x
x = 133,616,404,542.29/433,220.13 - Step 6: Final answer
x = 308,426.12
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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.