Finding the Fourth Proportional to 269,006.75, 402,985.19 and 209,564.09
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Solution
The fourth proportional to 269,006.75, 402,985.19 and 209,564.09 is: 313,937.19
Step by Step Solution
- Step 1: Write the proportion equation
269,006.75 : 402,985.19 = 209,564.09 : x - Step 2: Convert to fraction form
269,006.75/402,985.19 = 209,564.09/x - Step 3: Cross multiply
269,006.75x = 402,985.19 × 209,564.09 - Step 4: Simplify right side
269,006.75x = 84,451,225,109.38 - Step 5: Solve for x
x = 84,451,225,109.38/269,006.75 - Step 6: Final answer
x = 313,937.19
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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.