Finding the Fourth Proportional to 164,713.91, 247,344.23 and 102,778.07
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Solution
The fourth proportional to 164,713.91, 247,344.23 and 102,778.07 is: 154,337.68
Step by Step Solution
- Step 1: Write the proportion equation
164,713.91 : 247,344.23 = 102,778.07 : x - Step 2: Convert to fraction form
164,713.91/247,344.23 = 102,778.07/x - Step 3: Cross multiply
164,713.91x = 247,344.23 × 102,778.07 - Step 4: Simplify right side
164,713.91x = 25,421,561,605.26 - Step 5: Solve for x
x = 25,421,561,605.26/164,713.91 - Step 6: Final answer
x = 154,337.68
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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.