Finding the Fourth Proportional to 206,070.57, 284,402.61 and 125,509.79
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Solution
The fourth proportional to 206,070.57, 284,402.61 and 125,509.79 is: 173,218.88
Step by Step Solution
- Step 1: Write the proportion equation
206,070.57 : 284,402.61 = 125,509.79 : x - Step 2: Convert to fraction form
206,070.57/284,402.61 = 125,509.79/x - Step 3: Cross multiply
206,070.57x = 284,402.61 × 125,509.79 - Step 4: Simplify right side
206,070.57x = 35,695,312,567.56 - Step 5: Solve for x
x = 35,695,312,567.56/206,070.57 - Step 6: Final answer
x = 173,218.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.