Finding the Fourth Proportional to 353,013.23, 487,163.19 and 191,868.23
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Solution
The fourth proportional to 353,013.23, 487,163.19 and 191,868.23 is: 264,780.84
Step by Step Solution
- Step 1: Write the proportion equation
353,013.23 : 487,163.19 = 191,868.23 : x - Step 2: Convert to fraction form
353,013.23/487,163.19 = 191,868.23/x - Step 3: Cross multiply
353,013.23x = 487,163.19 × 191,868.23 - Step 4: Simplify right side
353,013.23x = 93,471,136,550.64 - Step 5: Solve for x
x = 93,471,136,550.64/353,013.23 - Step 6: Final answer
x = 264,780.84
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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.